45602
domain: N
Appears in sequences
- a(n) = 2*prime(n)^2.at n=35A079704
- Numbers n > 1 such that n^5 - 2 has no prime factor > n.at n=8A083955
- Terms m of A003337 such that m+1 is also in A003337. I.e., smaller one of two consecutive numbers, both equal to a sum of three 4th powers.at n=6A085322
- 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11.at n=21A090890
- 2*p^2, for p an odd prime.at n=34A143928
- Composite numbers k such that Sum_{i=1..t-1} d(i+1)/d(i) is prime, where d(1), ..., d(t) are the divisors of k in ascending order.at n=31A255585
- a(n) is the smallest composite k such that d(2)/d(1) + d(3)/d(2) + ... + d(q)/d(q-1) = prime(n), where d(1) < d(2) < ... < d(q) are the q divisors of k, or 0 if no such k exists.at n=36A260901
- Where records occur in A070138.at n=36A298942
- Numbers k such that A206369(k) is prime.at n=31A383649