329280

Appears in sequences

• Theta series of direct sum of 2 copies of D_4 lattice in powers of q^2.at n=19A008658
• Area A of the triangles such that A, the sides and two medians are integers.at n=14A181928
• Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=7A234436
• T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=28A234443
• Expansion of e.g.f. exp(x^3/(3*(1-x)^3)).at n=8A366155