4157010

Appears in sequences

• a(n) = binomial(2n,n)*n*(2n+1)/2.at n=9A051133
• a(n) = C(n+2,2)*C(n,floor(n/2)).at n=17A107231
• Denominator the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=14.at n=9A145638
• Expansion of (Sum_{k>=0} x^(k^4))^19.at n=40A282288
• Expansion of (Sum_{k>=0} x^(k^4))^19.at n=41A282288
• Denominator of Sum_{k=1..n} 1/(k*(prime(k+1)-prime(k))).at n=20A324801