G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 4 with cycle index (z1^5+2*z1*z4+z1*z2^2)/4.
A036783
G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 4 with cycle index (z1^5+2*z1*z4+z1*z2^2)/4.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =27a(5) =118a(6) =539a(7) =2582a(8) =12736a(9) =64363a(10) =331239a(11) =1730575a(12) =9153221a(13) =48917102a(14) =263737228a(15) =1432790266a(16) =7835499474a(17) =43099916199a(18) =238299581172
External references
- oeis: A036783