Additive Squares

Word of length 639 over {0, 1, 8, 14}

by Bryna Kra, 2026-08-25 · JSON

This is a historical record from 2026-08-25, superseded on 2026-08-25 by length 714 — jump to the current record (741).

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

0 8 14 0 1 8 14 0 14 1 0 14 8 1 0 8 0 14 8 1 14 0 8 14 8 1 8 14 8 0 8 1 0 14 1 8 0 1 0 14 0 1 0 8 0 14 8 1 14 0 14 8 0 8 1 8 14 0 8 14 1 14 8 0 14 0 1 14 0 14 8 1 8 14 0 8 0 1 0 8 0 14 0 1 14 0 14 8 0 1 0 8 0 14 0 8 1 0 1 14 1 0 1 8 1 14 8 0 14 1 8 1 14 1 0 1 14 1 8 14 8 0 14 1 14 0 8 0 14 0 1 8 1 14 8 1 0 8 14 0 8 0 1 0 8 0 14 0 1 14 0 14 8 1 0 8 0 14 8 14 1 14 8 14 0 8 14 8 1 8 0 8 14 0 1 0 14 0 8 14 8 1 14 8 14 0 14 1 0 1 8 1 14 8 1 8 0 8 1 8 14 8 0 14 8 14 1 14 8 14 0 14 1 0 8 0 14 8 14 1 14 8 14 0 8 14 8 1 8 0 8 14 0 14 1 0 8 1 0 1 14 8 0 14 8 14 1 14 8 14 0 14 1 0 14 0 8 0 14 0 1 14 1 8 14 0 1 0 14 0 8 0 14 1 0 1 8 1 0 1 14 1 0 8 0 14 1 14 8 1 14 1 0 14 8 14 0 14 1 14 0 8 14 8 1 8 14 8 0 8 14 1 14 0 8 0 1 8 1 14 1 8 1 0 1 14 0 1 0 8 0 1 0 14 0 8 14 1 14 0 8 0 1 8 1 14 8 14 0 14 1 14 0 14 8 0 1 0 14 8 0 8 1 0 1 14 0 1 0 8 0 14 0 8 0 1 8 0 14 8 14 1 8 1 0 8 0 14 0 1 0 8 1 0 1 14 1 0 1 8 1 14 8 1 8 0 1 14 1 0 1 8 0 14 8 0 1 8 14 0 14 1 0 14 0 8 0 1 0 8 0 14 8 0 1 8 14 1 14 0 14 1 14 8 14 0 8 14 8 1 8 0 1 8 1 14 1 8 1 0 1 14 0 8 0 1 14 0 14 8 14 1 14 0 14 8 0 8 1 8 14 8 0 14 8 14 1 14 8 14 0 14 1 0 14 0 8 14 1 14 8 14 0 8 1 8 0 14 0 1 8 1 14 0 14 8 0 14 0 1 0 14 0 8 0 1 8 1 14 0 14 8 0 8 1 14 8 1 0 1 14 8 14 0 8 0 1 0 14 1 0 1 8 1 0 1 14 0 14 8 1 0 1 8 1 14 1 8 1 0 8 14 8 1 14 8 14 0 14 1 14 0 14 8 0 1 0 8 0 14 8 0 1 14 1 8 14 8 0 8 1 0 8 0 14 0 1 0 8 1 0 1 14 1 0 1 8 1 14 8 1 8 0 8 1 8 14 1 14 0 14 1 8 14 8 0 14 8 14

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Alphabet {0, 1, 8, 14}

size 4 · diameter 14 · record length 741 · JSON

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

Know the exact maximum? Log in to claim this alphabet closed.

Record history

• 741 (was 714) — Bryna Kra, 2026-08-25
• 714 (was 639) — Bryna Kra, 2026-08-25
• 639 (was 635) — Bryna Kra, 2026-08-25
• 635 (first) — Aayush Rajasekaran, 2026-08-20

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