Additive Squares

Word of length 327 over {0, 2, 7, 12}

by Aayush Rajasekaran, 2026-08-20 · the current record for this alphabet · JSON

Display: drawn for the equivalent alphabet translated by -5 (drift removed).

12 2 0 2 7 12 2 0 7 0 2 0 12 7 12 0 12 2 0 7 2 12 2 7 0 7 2 12 7 12 0 12 7 12 2 12 0 7 2 0 2 12 0 12 7 0 12 0 2 0 7 0 2 0 12 2 0 2 7 12 7 0 2 0 12 2 0 2 7 2 12 2 7 2 0 7 12 2 12 7 12 0 12 7 2 0 2 12 0 2 0 7 0 2 0 12 0 7 12 0 12 2 0 2 7 2 12 7 2 7 0 12 7 12 2 12 7 12 0 12 7 2 0 2 12 0 12 7 12 0 12 2 0 12 0 7 0 2 0 7 0 12 7 0 2 12 2 7 2 0 12 0 7 0 2 0 7 0 12 7 12 2 12 7 12 0 7 12 2 7 0 2 7 2 12 2 7 2 0 7 0 12 0 2 0 12 0 7 12 7 2 7 0 7 12 0 7 0 2 0 12 0 2 0 7 2 0 2 12 2 0 2 7 2 12 7 2 7 0 2 0 12 0 2 0 7 0 12 7 0 7 2 0 2 12 0 7 12 7 2 12 7 12 0 2 12 2 7 2 12 2 0 2 7 0 12 7 12 2 12 7 12 0 12 2 0 12 0 7 0 12 0 2 12 2 7 0 12 0 2 0 7 0 2 0 12 2 7 2 0 12 2 12 7 12 0 12 2 0 7 0 12 2 0 2 7 2 0 2 12 2 7 12 2 12 0 7 2 0 2 12 2 0 2 7 2 12

Alphabet {0, 2, 7, 12}

size 4 · diameter 12 · record length 327 · 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

• 327 (first) — Aayush Rajasekaran, 2026-08-20

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