45945

Appears in sequences

• a(n) = T(n, n-5), array T as in A055818.at n=16A055822
• Numbers n such that the sum of the digits of Sum_{k=1..n} (k!) is divisible by n.at n=23A109657
• Numbers n such that prime[(n + 1)^2] - prime[n^2] is a perfect square.at n=38A145290
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (-1, 1, -1), (1, -1, -1), (1, 1, 1)}.at n=9A149526
• Array read by antidiagonals: T(m,n) is the number of (undirected) paths in the rook graph K_m X K_n.at n=16A360877
• Array read by antidiagonals: T(m,n) is the number of (undirected) paths in the rook graph K_m X K_n.at n=19A360877
• Number of (undirected) paths in the 2 X n rook graph.at n=4A360878