57762

Appears in sequences

• a(0) = 1, a(n) = 40*n^2 + 2 for n>0.at n=38A010022
• Subtract compositions (A011782) from Catalan numbers (A000108).at n=11A125107
• Number of (n+1) X (1+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=10A251081
• G.f. = b(2)*b(6)/(3*x^6-2*x^5-2*x+1), where b(k) = (1-x^k)/(1-x).at n=14A266374