Alphabet {0, 1, 2, 3, 4}
open No exhaustive search has settled this alphabet; the record below is a lower bound on the (possibly infinite) maximum.
Record word (length 99, by David Renshaw, 2026-08-18)
Display: drawn for the equivalent alphabet translated by -2 (drift removed).
4 1 3 0 3 1 4 2 4 1 0 3 1 0 2 0 4 1 0 4 2 4 3 1 3 4 2 4 3 4 1 2 1 3 4 3 1 3 2 0 1 0 3 1 3 4 2 4 3 0 1 3 0 2 4 0 4 1 2 1 0 1 2 3 1 3 0 1 0 2 0 1 0 3 1 0 2 3 1 3 2 4 0 4 3 4 0 2 3 1 0 3 2 0 3 0 1 0 3
History
- 99 (first) — David Renshaw, 2026-08-18