Additive Squares

Word of length 386 over {0, 2, 3, 13}

by Aayush Rajasekaran, 2026-08-20 · JSON

This is a historical record from 2026-08-20, superseded on 2026-08-26 by length 401 — jump to the current record (401).

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

0 3 0 13 3 0 3 2 3 13 3 0 13 2 13 0 3 0 2 3 0 3 13 0 2 0 13 0 3 13 2 13 3 13 0 13 3 2 13 2 0 13 2 13 3 0 3 2 13 3 2 0 2 13 2 3 13 3 0 3 2 3 13 2 0 2 3 0 2 0 13 0 2 0 3 2 3 13 2 3 0 13 0 3 0 2 3 13 3 2 0 3 2 13 3 13 0 13 2 13 0 13 3 0 13 0 2 0 3 2 13 3 13 0 13 3 2 13 2 0 13 2 13 3 13 0 13 3 13 2 3 13 3 0 3 13 3 2 3 0 2 13 0 13 3 13 0 2 13 2 3 2 0 3 0 13 2 0 3 2 3 13 3 0 3 13 3 2 13 3 13 0 13 2 13 0 13 3 0 13 0 2 0 3 0 13 3 2 13 3 13 0 2 3 2 0 2 13 2 0 3 2 3 13 3 2 3 0 3 2 13 2 0 3 0 2 0 13 0 2 0 3 2 3 13 0 3 0 2 3 0 3 13 2 13 3 13 0 3 0 2 0 13 0 2 0 3 2 0 13 2 13 3 13 0 13 3 13 2 3 0 3 2 13 2 3 2 0 13 0 2 3 0 3 13 3 2 3 13 3 0 13 3 13 2 13 0 13 2 13 3 2 13 0 3 0 13 0 2 13 3 13 2 0 2 13 2 3 0 3 2 13 3 13 0 3 0 2 0 13 0 2 0 3 2 0 2 13 2 0 2 3 2 13 3 2 3 0 2 0 13 2 13 3 0 3 13 3 2 13 0 13 2 13 3 2 0 13 0 2 0 3 2 0 13 3 13 0 13 3 2 3 0 3 13 2 0 2 3 2 0 13 3 13 0 13

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Alphabet {0, 2, 3, 13}

size 4 · diameter 13 · record length 401 · 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

• 401 (was 386) — Aayush Rajasekaran, 2026-08-26
• 386 (first) — Aayush Rajasekaran, 2026-08-20

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