Additive Squares

Word of length 283 over {0, 2, 5, 11}

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

050100150200250050100 position in word → partial sum

Display: drawn for the equivalent alphabet translated by -4 (drift removed).

0 2 5 0 5 11 2 0 2 5 0 2 0 11 0 2 0 5 0 11 5 2 5 0 11 5 11 2 5 2 0 2 11 5 0 11 0 2 0 11 5 2 5 0 2 5 2 11 2 5 2 0 2 11 0 11 5 11 2 11 5 11 0 5 2 5 11 0 5 0 2 0 11 2 5 2 0 11 0 5 11 5 2 11 2 0 11 2 11 5 11 0 11 5 11 2 5 11 5 0 2 0 11 5 11 2 0 2 5 2 11 2 5 2 0 5 11 5 2 11 5 11 0 5 11 5 2 0 2 11 5 2 0 11 0 2 0 5 0 2 11 5 2 11 2 0 11 5 0 5 2 5 11 2 5 2 0 2 11 2 0 2 5 0 5 11 2 0 2 5 0 2 0 11 0 2 0 5 0 11 5 2 5 0 2 5 2 11 2 0 11 2 11 5 11 2 11 0 11 5 0 2 0 11 2 0 2 5 0 5 11 2 5 0 11 0 2 11 0 11 5 11 2 11 5 11 0 5 11 5 2 5 0 2 0 11 0 5 2 11 2 5 2 0 5 11 2 0 11 2 11 5 11 2 0 11 0 5 0 2 0 5 0 11 5 11 2 11 5 0 2 0 11 2 0 2 5 2 0 2 11 2 0

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Alphabet {0, 2, 5, 11}

size 4 · diameter 11 · record length 283 · JSON

open No exhaustive search has settled this alphabet; the record is a lower bound on the (possibly infinite) maximum.

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