The index of Simon's piecewise testability congruence, for words of length n over a 2-letter alphabet.
A228950
The index of Simon's piecewise testability congruence, for words of length n over a 2-letter alphabet.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =68a(4) =312a(5) =1560a(6) =8528a(7) =50864a(8) =329248a(9) =2298592a(10) =17203264a(11) =137289920
External references
- oeis: A228950