Additive Squares

Word of length 179 over {0, 2, 3, 9}

by Aayush Rajasekaran, 2026-08-20 · JSON

This is a historical record from 2026-08-20, superseded on 2026-08-26 by length 180jump to the current record (180).

050100150050 position in word → partial sum

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

0 2 0 3 0 2 0 9 0 2 0 3 2 0 2 9 3 0 3 9 3 2 9 0 2 0 3 2 9 0 9 3 9 2 9 3 9 0 3 0 2 3 9 3 2 3 0 2 9 2 0 2 3 0 9 3 2 3 0 2 0 9 0 2 0 3 2 0 2 9 2 3 2 9 2 0 9 3 9 0 2 0 3 2 0 2 9 0 2 0 3 9 0 9 2 9 3 9 0 9 2 0 3 2 0 9 2 3 0 3 9 3 2 9 2 0 9 2 9 3 9 0 9 3 9 2 3 9 3 0 3 2 3 9 2 0 9 3 2 9 0 2 0 3 0 2 0 9 0 3 9 0 9 2 3 2 9 0 2 9 3 9 0 3 9 3 2 3 0 2 0 9 0 3 9 0 9 2 0

next record (180) →

Alphabet {0, 2, 3, 9}

size 4 · diameter 9 · record length 180 · 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

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