65246

Appears in sequences

• a(n) = binomial(2*n-1, n) - binomial(2*n-1, n+3).at n=9A026016
• a(n) = T(n, [n/2]), where T is the array defined in A026009.at n=19A026021
• Expansion of (1+x^2*C^4)*C, where C = (1 - sqrt(1-4*x))/(2*x) is g.f. for Catalan numbers, A000108.at n=10A071725
• Power each digit individually according to its position and add the numbers.at n=7A112638
• Numbers k such that k is in the middle of decimal expansion of k^k.at n=5A229629
• Growth series for group with presentation < S, T : S^2 = T^3 = (S*T)^11 = 1 >.at n=31A299252