Cogrowth sequence of the 16-element group C2^2:C4 = <S,T | S^4, T^2, (ST)^2, (S^2T)^2>.
A377946
Cogrowth sequence of the 16-element group C2^2:C4 = <S,T | S^4, T^2, (ST)^2, (S^2T)^2>.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =40a(5) =136a(6) =512a(7) =2080a(8) =8320a(9) =32896a(10) =131072a(11) =524800a(12) =2099200a(13) =8390656a(14) =33554432a(15) =134225920a(16) =536903680a(17) =2147516416a(18) =8589934592a(19) =34359869440a(20) =137439477760a(21) =549756338176
External references
- oeis: A377946