45873

Appears in sequences

• Expansion of 1/((1-2x)(1-3x)(1-7x)(1-10x)).at n=4A025945
• Numbers k such that (2^k + 1)^2 - 2 = 4^k + 2^(k+1) - 1 is prime.at n=39A091513
• Number of ways to place 4 nonattacking grasshoppers on a toroidal chessboard of size n x n.at n=5A190399