Additive Squares

Word of length 831 over {0, 1, 11, 15}

by Bryna Kra, 2026-08-26 · JSON

This is a historical record from 2026-08-26, superseded on 2026-08-26 by length 881 — jump to the current record (881).

Display: drawn for the equivalent alphabet translated by -7 (drift removed).

1 11 15 0 15 1 0 1 11 1 0 15 1 0 1 11 0 11 15 1 15 0 1 0 11 0 15 0 1 15 0 15 11 15 0 15 1 0 1 11 1 15 11 0 11 15 1 15 11 0 15 0 1 15 0 15 11 15 1 15 11 15 0 11 15 11 1 11 0 11 15 0 11 0 1 15 0 15 11 15 0 15 1 15 11 1 0 11 0 15 0 1 0 11 1 0 1 15 1 0 1 11 1 15 11 0 15 1 11 15 0 11 0 1 0 11 0 15 0 1 15 11 15 1 15 0 15 1 11 15 11 0 15 11 1 0 15 1 15 11 1 11 0 11 1 11 15 1 11 1 0 1 15 0 1 0 11 0 15 0 1 15 0 15 11 1 15 1 0 1 11 1 0 1 15 0 1 0 11 0 1 0 15 0 11 15 0 15 1 0 1 11 15 11 1 11 0 15 0 11 1 0 15 1 0 1 11 1 0 1 15 1 11 15 0 15 11 15 1 11 15 0 1 11 0 11 15 0 1 15 11 0 15 0 1 0 15 0 11 0 1 11 1 15 1 0 11 0 1 0 15 11 1 11 15 11 0 15 1 0 11 0 15 1 15 11 15 0 15 11 15 1 11 0 11 15 0 11 0 1 0 11 0 15 11 15 1 15 0 15 11 0 15 0 1 0 11 0 1 0 15 1 11 1 0 15 0 11 15 0 15 1 15 0 15 11 15 1 11 15 11 0 15 0 1 15 11 15 0 1 15 1 11 1 0 11 1 11 15 11 0 15 11 15 1 15 11 15 0 11 0 1 15 0 15 11 15 1 15 11 15 0 11 15 11 1 11 15 11 0 11 1 0 11 0 15 11 15 1 11 1 0 1 11 15 1 15 0 15 11 0 1 0 15 11 0 11 1 11 15 11 0 15 11 15 1 15 0 15 11 0 15 0 1 0 15 0 11 0 1 11 0 11 15 0 15 1 11 0 15 1 0 1 11 1 0 1 15 1 11 15 1 15 0 15 11 0 15 0 1 11 0 1 15 1 11 15 11 0 11 15 11 1 15 11 15 0 15 1 15 11 1 15 1 0 11 1 11 15 11 1 11 0 11 15 1 15 0 11 0 1 11 0 11 15 1 0 15 11 15 0 1 0 11 1 0 1 15 1 0 1 11 1 15 11 15 0 15 11 15 1 15 0 11 0 15 0 1 15 11 1 0 11 0 15 0 1 0 11 1 0 1 15 11 15 1 15 0 11 0 15 0 1 11 15 11 1 11 0 11 1 11 15 1 0 1 11 0 1 0 15 1 11 15 0 11 0 1 0 15 0 1 0 11 1 0 1 15 1 0 1 11 1 15 11 15 0 1 0 11 1 11 15 11 1 11 0 1 11 1 15 1 0 15 1 15 11 1 0 11 15 0 15 1 15 11 1 15 1 0 1 11 1 0 1 15 0 1 0 11 0 15 0 1 15 11 15 1 0 1 11 1 0 15 0 11 0 1 0 11 0 15 11 15 1 15 0 15 11 0 15 0 1 11 0 11 15 11 0 11 1 11 15 0 15 1 15 11 0 1 11 15 11 0 15 0 1 0 15 0 11 15 0 15 1 15 11 15 1 15 0 1 11 15 0 11 15 11 1 11 15 0 11 0 1 0 11 15 0 15 1 0 15 11 1 0 11 1 11 15 1 0 15 1 15 11 15 1 15 0 15 11 0 15 0 1 15 11 1 0 11 0 15 0 11 0 1 0 15 1 0 1 11 1 0 1 15 0 15 11 0 11 1 15 1 0 11 1 11 15 11 0 15 11 15 1 15 0 1 0 11 1 15 1 0 15 1 15 11 15 0 15 11 15 1 11 15 11 0 1 0 15 11 15 1 11 15 0 11 15 11

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Alphabet {0, 1, 11, 15}

size 4 · diameter 15 · record length 881 · JSON

open No exhaustive search has settled this alphabet; the record is a lower bound on the (possibly infinite) maximum.

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Record history

• 881 (was 831) — Bryna Kra, 2026-08-26
• 831 (first) — Bryna Kra, 2026-08-26

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