96600
domain: N
Appears in sequences
- Numbers k such that L(2*k + 1) is prime, where L(m) is a Lucas number.at n=45A117522
- Numbers with prime factorization p*q*r*s^2*t^3 (where p, q, r, s, t are distinct primes).at n=29A190111
- E.g.f.: exp( Sum_{n>=1} G_n(x)^n/n ) where G_n(x) = x + x*G_n(x)^n.at n=7A194559
- Values of k such that L(k)*L(k+1)-1 is a prime, where L(k) is the k-th Lucas number (A000032).at n=32A271430
- Number of triangles in a Star of David of size n.at n=21A299965
- G.f. A(x) satisfies: A(x) = 1 + x*[d/dx 1/(1 - x*A(x)^4)].at n=5A305604
- Triangular array read by rows: T(n,k) is the number of labeled quasi-orders on [n] that are composed of exactly k irreducible components n>=0, 0<=k<=n.at n=33A335987
- Expansion of e.g.f. (1+x) * exp(x^2*(1+x)^3).at n=7A387970