Length 189 over {0, 2, 5, 8} — Additive Squares

Word of length 189 over {0, 2, 5, 8}

by Aayush Rajasekaran, 2026-08-20 · JSON

This is a historical record from 2026-08-20, superseded on 2026-08-26 by length 190 — jump to the current record (195).

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

0 2 0 5 0 2 0 8 0 2 5 2 0 2 5 8 5 0 5 8 2 8 5 8 0 2 0 5 0 8 2 8 5 8 0 8 5 8 2 5 0 5 8 2 5 2 0 2 8 2 0 2 5 0 2 0 8 5 2 8 0 8 5 0 5 2 8 5 2 0 2 8 0 2 0 5 0 2 0 8 0 5 8 0 8 2 0 2 5 0 2 8 0 8 5 8 2 5 2 0 2 5 8 2 8 0 2 0 5 0 2 8 0 8 5 8 0 8 2 8 5 0 2 0 8 2 8 5 8 2 8 0 8 5 2 5 8 5 2 0 2 8 2 5 2 8 2 0 8 0 5 8 2 0 2 5 0 2 0 8 0 5 8 0 8 2 5 2 8 2 5 0 8 5 8 2 5 0 2 0 8 0 5 8 0 8 2 5 8

Alphabet {0, 2, 5, 8}

size 4 · diameter 8 · record length 195 · 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

195 (was 193) — Aayush Rajasekaran, 2026-08-31
193 (was 190) — Aayush Rajasekaran, 2026-08-30
190 (was 189) — Aayush Rajasekaran, 2026-08-26
189 (first) — Aayush Rajasekaran, 2026-08-20

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