61251

Appears in sequences

• Expansion of 1/((1-x)(1-3x)(1-8x)(1-11x)).at n=4A021664
• Number of columns in all directed column-convex polyominoes of area n+1.at n=10A038731
• Row sums of triangle A134511.at n=20A134512
• a(n) = 50*n^2 + 1.at n=34A157916
• Numbers k such that (16*10^k - 31)/3 is prime.at n=33A270929
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S^2 + S^3.at n=20A291241