58561
domain: N
Appears in sequences
- Row 4 of square array defined in A047671.at n=15A047673
- O.g.f. satisfies A^5(z) = 1/(1 - z)*( BINOMIAL(BINOMIAL(A(z))) )^4.at n=4A258380
- a(n) = prime(n) * prime(2n).at n=36A319613
- a(n) = Sum_{1 <= x_1, x_2, x_3, x_4 <= n} n/gcd(x_1, x_2, x_3, x_4, n).at n=8A372961
- Integers k such that 511*2^k - 1 is prime.at n=42A387925