55513327

Appears in sequences

• Sum along upward diagonal of Pascal triangle to center.at n=38A010752
• Sum along upward diagonal of Pascal triangle up to (but not including) center.at n=38A010753
• T(n,0) + T(n,1) + ... + T(n,n), T given by A026670.at n=24A026677
• a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026670.at n=25A026678
• a(n) = Sum_{k=0..floor(n/2)} T(n,k), T given by A026725.at n=25A026733
• Convolution of (shifted) A026671 with A000984 (central binomial coefficients of even order).at n=13A054441