Additive Squares

Word of length 357 over {0, 4, 7, 14}

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

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

0 4 0 14 4 14 7 14 4 14 0 14 7 0 4 0 7 14 7 0 4 7 4 14 4 7 0 7 14 0 7 0 4 0 14 4 0 4 7 14 0 7 0 4 7 4 14 4 0 4 14 4 7 14 4 14 0 7 0 4 14 0 14 7 14 4 14 7 14 0 7 14 4 7 0 14 0 7 0 4 0 7 0 14 7 14 4 7 14 7 0 4 7 4 14 4 0 4 7 0 7 14 0 7 0 4 0 14 0 4 0 7 4 0 4 14 4 0 4 7 4 14 7 4 7 0 14 7 14 4 7 4 0 4 14 0 4 0 7 0 14 0 7 0 4 7 14 4 0 14 0 7 14 0 14 4 14 7 14 4 14 0 4 7 4 14 0 4 0 7 0 14 7 4 14 0 14 7 4 7 0 4 7 4 14 4 0 4 14 4 7 14 4 14 0 14 4 14 7 14 0 7 14 7 4 14 4 0 4 14 7 14 4 14 0 4 0 7 0 14 0 4 14 0 14 7 14 0 14 4 14 7 4 0 7 0 14 0 7 0 4 0 14 4 0 4 7 4 14 7 14 0 7 4 14 0 4 0 7 0 4 14 0 14 7 14 0 14 4 14 7 4 14 4 0 4 7 4 0 4 14 0 4 0 7 14 7 4 0 4 14 0 4 0 7 0 4 0 14 0 7 14 0 14 4 7 4 0 4 14 7 0 7 4 0 7 14 4 14 7 14 0 7 14 4 0 7 14 0 7 0 4 0 7 0 14 0 4 14 7 14 4 0 4 7 0 4 0 14 0 4 0 7 0 14 7 0

Alphabet {0, 4, 7, 14}

size 4 · diameter 14 · record length 357 · 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

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

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