45705

Appears in sequences

• Numbers k such that sopf(k)*nud(k) = pi(k), where sopf(k)=A008472, nud(k)=A034444 and pi(k)=A000720.at n=11A064015
• 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, 0), (-1, 0, 1), (0, -1, 1), (0, 1, 0), (1, 0, -1)}.at n=11A148156
• Number of nX3 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.at n=6A188601
• T(n,k)=Number of nXk binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.at n=42A188607
• Number of 7Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.at n=2A188612
• Number of 11-regular partitions of n (no part is a multiple of 11).at n=42A328545
• Number of crossings in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n.at n=7A359691