Number of (undirected) paths in the complete bipartite graph K_{m,n} (triangle read by rows with m = 1..n and n = 1..).
A307027
Number of (undirected) paths in the complete bipartite graph K_{m,n} (triangle read by rows with m = 1..n and n = 1..).
Terms
- a(0) =1a(1) =3a(2) =12a(3) =6a(4) =33a(5) =135a(6) =10a(7) =72a(8) =438a(9) =2224a(10) =15a(11) =135a(12) =1140a(13) =8850a(14) =55725a(15) =21a(16) =228a(17) =2511a(18) =27480a(19) =265665a(20) =2006316a(21) =28a(22) =357a(23) =4893a(24) =70462a(25) =962010a(26) =11158203a(27) =98309827a(28) =36a(29) =528
External references
- oeis: A307027