Number of 8-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.
A186857
Number of 8-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.
Terms
- a(0) =16a(1) =2208a(2) =57392a(3) =405040a(4) =1508784a(5) =3846192a(6) =7777808a(7) =13502064a(8) =21089312a(9) =30521216a(10) =41748432a(11) =54726992a(12) =69434272a(13) =85865344a(14) =104020208a(15) =123898864a(16) =145501312a(17) =168827552a(18) =193877584a(19) =220651408a(20) =249149024a(21) =279370432a(22) =311315632a(23) =344984624a(24) =380377408a(25) =417493984
External references
- oeis: A186857