270655

Appears in sequences

• Fermat coefficients.at n=36A000970
• a(n) = T(2*n, n+1), T given by A027011.at n=10A027012
• T(n,n+3), T given by A027960.at n=19A027963
• a(n) = binomial(n+4,4)*(2*n+1).at n=18A051880
• a(n) = binomial(5*n+7, 4)/5 for n >= 0.at n=14A238472
• Composite squarefree numbers k = Product_{i} p_i such that k^2 is divisible by Sum_{i} p_i^2.at n=10A332738
• Expansion of e.g.f. (1/2)*(x^2*exp(x))*(cosh(x))^2.at n=11A373065