22018
domain: N
Appears in sequences
- 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, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1), (1, 0, 0)}.at n=8A150155
- a(n) = 169*n^2 + 140*n + 29.at n=11A156640
- Expansion of (2 - 2*x) / (1 - 10*x - 7*x^2).at n=4A157765
- Number of (n+2) X (n+2) binary arrays avoiding patterns 001 and 100 in rows, columns and nw-to-se diagonals.at n=2A202583
- Number of (n+2)X5 binary arrays avoiding patterns 001 and 100 in rows, columns and nw-to-se diagonals.at n=2A202586
- T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 100 in rows, columns and nw-to-se diagonals.at n=12A202591
- Number of partitions of n such that some part is a sum of two other parts.at n=38A237113
- Numbers k such that 343*2^k+1 is prime.at n=9A322964