61185
domain: N
Appears in sequences
- Number of (simple, undirected, unlabeled, connected) graphs with n vertices which contain no induced subgraph isomorphic to C5 (cycle on 5 vertices), P5 (path on 5 vertices) or complement of P5.at n=9A079391
- Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A202871; by antidiagonals.at n=41A202872
- Hilltop maps: number of n X 2 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..2 n X 2 array.at n=7A218227
- T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..2 nXk array.at n=37A218233
- T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..2 nXk array.at n=43A218233
- Hilltop maps: number of n X 1 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..4 n X 1 array.at n=15A218281
- Expansion of Product_{k>=1} (1 + x^k + x^(3*k)) / (1 - x^k).at n=26A266647
- Number of (undirected) paths in the n-gear graph.at n=14A292000