739138093

Appears in sequences

• E.g.f. cosh(x)/(1+x).at n=12A009179
• a(n) = (2*n-2)*(2*n-3)*a(n-1)+1.at n=7A051396
• Expansion of e.g.f. exp(x)/(1-x^2).at n=12A087208
• Numerators of the sum of the n-th partial sums of the expansions of e and 1/e.at n=12A196080
• Numerators of the sum of the n-th partial sums of the expansions of e and 1/e.at n=13A196080
• a(n) is the numerator of Sum_{k=0..n} 1 / (2*k)!.at n=6A354334