Triangle read by rows T(n,k): number of undirected cycles of length k in the complete tripartite graph K_{n,n,n} (n = 1...; k = 3..3n).
A296546
Triangle read by rows T(n,k): number of undirected cycles of length k in the complete tripartite graph K_{n,n,n} (n = 1...; k = 3..3n).
Terms
- a(0) =1a(1) =8a(2) =15a(3) =24a(4) =16a(5) =27a(6) =108a(7) =324a(8) =774a(9) =1620a(10) =2268a(11) =1584a(12) =64a(13) =396a(14) =1728a(15) =7200a(16) =27648a(17) =87480a(18) =232704a(19) =476928a(20) =663552a(21) =463104a(22) =125a(23) =1050a(24) =6000a(25) =35800a(26) =198000a(27) =977400a(28) =4392000a(29) =17068320
External references
- oeis: A296546