A377944
Cogrowth sequence of the 16-element dicyclic group Q16 = .
1, 0, 1, 12, 28, 120, 544, 2016, 8128, 33024, 130816, 523776, 2099200, 8386560, 33550336, 134234112, 536854528, 2147450880, 8590065664, 34359607296, 137438691328, 549756862464, 2199022206976, 8796090925056, 35184380477440, 140737479966720, 562949936644096
Offset: 0
Links
- Index entries for linear recurrences with constant coefficients, signature (2, 4, 16).
Crossrefs
Formula
G.f.: (6*x^3+3*x^2+2*x-1) / ((4*x-1) * (4*x^2+2*x+1)).
Comments