Length 207 over {0, 1, 3, 9} — Additive Squares

Word of length 207 over {0, 1, 3, 9}

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

Display: drawn for the equivalent alphabet translated by -3 (drift removed).

0 9 3 1 0 3 9 0 3 1 0 9 1 0 3 1 9 0 9 3 9 1 9 3 9 0 3 1 3 9 0 3 0 1 3 0 3 9 1 3 9 0 9 1 0 9 0 3 0 1 3 1 9 1 0 1 3 0 1 0 9 0 1 0 3 1 3 9 0 1 0 9 0 3 0 9 0 1 9 3 9 0 3 9 3 1 9 3 9 0 3 0 1 0 9 1 0 1 3 1 9 3 9 0 3 9 3 1 3 0 1 9 1 3 9 1 9 0 9 1 9 3 9 0 3 9 3 1 9 0 9 1 9 3 9 1 0 9 0 3 0 9 0 1 0 3 1 0 1 9 0 3 9 1 9 3 0 3 9 1 3 1 0 1 9 1 0 1 3 0 1 0 9 0 3 9 0 9 1 0 3 0 1 9 1 3 9 1 9 0 9 3 0 9 0 1 9 3 9 1 9 0 9 1 3 0 3

Alphabet {0, 1, 3, 9}

size 4 · diameter 9 · record length 207 · 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

207 (was 205) — Aayush Rajasekaran, 2026-08-26
205 (first) — Aayush Rajasekaran, 2026-08-20

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