81340

Appears in sequences

• Gaussian column reduction of Hankel matrix for central Delannoy numbers.at n=38A118384
• Variant sequence generated by solving the order n x n linear problem [H]x = b where b is the unit vector and the sequence term is given by the denominator of the last unknown xn.at n=8A124265
• Antidiagonal sums of the convolution array A213833.at n=19A213834
• a(n) = Sum_{k=0..n} 2^k * binomial(n+2,k) * binomial(n+2,k+2).at n=6A387337