27762

Appears in sequences

• Fifth diagonal (m=4) of triangle A084938; a(n) = A084938(n+4,n) = (n^4 + 18*n^3 + 131*n^2 + 426*n)/24.at n=24A090386
• Number of 2-sided strip polypons with n cells.at n=33A151533
• Eight bishops and one elephant on a 3 X 3 chessboard. G.f.: (1-3*x^2)/(1-3*x+4*x^3).at n=13A175656
• Number of nX5 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=5A206984
• Number of nX6 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=4A206985
• T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=49A206987
• T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=50A206987
• Partial sums of hyperfactorials (A002109).at n=4A264889