71944

Appears in sequences

• a(n) = n^2*(n^2 + 15)/4.at n=23A159833
• Number of n X 4 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=4A231077
• T(n,k) = number of n X k 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=32A231080
• Number of 5 X n 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=3A231084
• Number of alpha-labeled graphs with n edges and at most n vertices.at n=9A245519
• a(n) = 34*n^2.at n=46A303302
• Number of non-isomorphic aperiodic multiset partitions of weight n with no singletons.at n=12A320812