Number of (undirected) cycles in the graph C_4 X P_n.
A339137
Number of (undirected) cycles in the graph C_4 X P_n.
Terms
- a(0) =1a(1) =28a(2) =225a(3) =1540a(4) =10217a(5) =67388a(6) =444017a(7) =2925140a(8) =19270105a(9) =126946444a(10) =836290209a(11) =5509263332a(12) =36293601737a(13) =239092863324
External references
- oeis: A339137