438540

Appears in sequences

• Theta series of D_30 lattice.at n=2A022061
• Theta series of D*_30 lattice.at n=8A022083
• Number of (n+1) X (2+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=5A231951
• Number of (n+1) X (6+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=1A231955
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=22A231957
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=26A231957
• a(n) = (2/3)*n*(n^3 - 6*n^2 + 11*n - 3).at n=30A319575
• E.g.f. satisfies A(x) = exp( 3 * (exp(x) - 1) * A(x)^(1/3) ).at n=6A375877