Additive Squares

Word of length 471 over {0, 1, 8, 13}

by Aayush Rajasekaran, 2026-08-26 · the current record for this alphabet · JSON

Display: drawn for the equivalent alphabet translated by -6 (drift removed).

8 13 1 13 0 1 13 1 8 0 1 0 13 1 13 8 1 13 1 0 13 1 13 8 0 13 0 1 0 13 0 8 0 13 1 8 1 13 1 0 13 0 8 0 1 13 8 1 8 0 8 1 13 8 13 0 13 8 1 13 1 0 1 8 0 13 8 13 1 13 8 13 0 13 1 0 13 0 8 13 1 13 8 13 0 8 0 1 0 8 13 1 8 13 8 0 8 13 1 8 1 0 1 13 1 8 1 0 8 0 13 1 0 1 8 1 13 1 0 13 1 13 8 13 0 8 0 1 0 13 0 1 0 8 1 8 13 1 8 1 0 1 13 1 0 1 8 0 1 0 13 0 1 0 8 0 13 8 1 8 0 1 0 13 1 0 1 8 13 8 1 8 0 8 1 8 13 1 0 13 1 13 8 13 1 13 0 1 0 8 0 13 1 8 13 8 0 8 13 1 0 1 8 0 1 0 13 0 1 0 8 0 13 8 13 1 13 0 1 13 1 8 1 0 8 0 13 1 8 13 1 13 0 13 1 13 8 13 0 8 13 8 1 8 13 8 0 13 0 1 13 1 8 1 13 0 1 0 8 0 13 1 8 13 0 8 13 1 8 1 0 8 1 8 13 8 0 8 13 8 1 13 8 13 0 13 8 13 1 13 0 1 13 1 8 13 8 0 8 13 8 1 8 0 13 0 1 0 8 13 1 8 13 8 0 13 1 13 0 13 8 13 0 1 13 1 8 1 0 13 0 1 8 0 13 1 13 8 13 0 8 0 1 8 13 8 1 8 0 8 1 13 8 13 0 8 0 1 0 13 0 8 0 1 8 13 1 13 0 1 0 8 0 1 0 13 1 0 1 8 1 13 8 1 8 0 8 13 0 8 0 1 0 13 1 0 1 8 13 8 0 13 8 13 1 8 0 8 1 13 1 0 1 13 8 0 13 8 13 1 13 8 13 0 13 1 0 13 0 8 1 0 1 13 1 0 1 8 1 13 8 1 8 0 1 0 13 0 8 13 1 13 0 1 13 1 8 13 8 0 8 13 1 13 8 13 0 8 0 1 0

← previous record (422)

Alphabet {0, 1, 8, 13}

size 4 · diameter 13 · record length 471 · 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

• 471 (was 422) — Aayush Rajasekaran, 2026-08-26
• 422 (first) — Aayush Rajasekaran, 2026-08-20

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