39676

Appears in sequences

• Cubic star numbers: a(n) = n^3 + 4*Sum_{i=0..n-1} i^2.at n=26A051673
• a(n) = binomial(2*n, n) mod ((n+1)*(n+2)*(n+3)*(n+4)).at n=11A065346
• Composite n such that (n-1)*phi(n) is a perfect square.at n=30A069953
• Nested floor product of n and fractions (k+1)/k for all k>0 (mod 6), divided by 6.at n=15A073363
• a(n) = Lucas(n+1) + prime(n).at n=20A160243
• Number of length n+3 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=18A256818
• G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1+x)^(5*n) - A(x))^(n+1), where A(0) = 0.at n=5A307955
• Number of locally disjoint rooted semi-identity trees with n unlabeled vertices.at n=14A331783