50760
domain: N
Appears in sequences
- a(n) = floor(n*phi^16), where phi is the golden ratio, A001622.at n=23A004931
- a(n) = Sum_{k=0..floor(n/2)} binomial(n,k)*3^(n-2*k).at n=9A100068
- a(n) = n^3 + 114 * n.at n=35A122562
- Sum of increasing powers of divisors: a(n) = Sum_{i=1..q} d(i)^i where d(1) < d(2) < ... < d(q) are the divisors of n.at n=14A180851
- Numbers with prime factorization p*q*r^3*s^3 (where p, q, r, s are distinct primes).at n=27A190108
- E.g.f. equals the series reversion of x - x^2*exp(x^2).at n=5A227462
- Numbers k for which A306927(k) [= A001615(k)-k] is a multiple of A344705(k) [= A001615(k)-A001065(k)], and their quotient is nonnegative.at n=46A344700
- a(n) is the minimum positive integer k such that the concatenation of k, a(n-1), a(n-2), ..., a(2), and a(1) is the lesser of a pair of twin primes (i.e., a term of A001359), with a(1) = 11.at n=45A350246