Additive Squares

Word of length 60 over {0, 1, 5, 6}

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

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

0 6 5 0 1 6 1 5 6 5 0 5 6 1 6 5 6 1 0 1 5 0 5 6 5 0 1 0 5 0 1 6 1 0 1 6 5 6 1 6 0 1 0 5 6 5 0 5 6 1 6 5 6 0 5 0 1 6 5 1

Alphabet {0, 1, 5, 6}

size 4 · diameter 6 · record length 60 · JSON

closed The exact maximum additive-square-free word length over this alphabet is 60. exhaustive search

Closure claims

• accepted max 60 claimed by Aayush Rajasekaran, 2026-08-20 — exhaustive search

Record history

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

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