Number of elements of S_n with strategic pile of size 4.
A267324
Number of elements of S_n with strategic pile of size 4.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =32a(6) =288a(7) =2448a(8) =22080a(9) =216000a(10) =2298240a(11) =26530560a(12) =330946560a(13) =4441651200a(14) =63866880000a(15) =980037273600
External references
- oeis: A267324