47231
domain: N
Appears in sequences
- Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).at n=38A024173
- Numbers k such that k^p-p is prime, where p is product of the digits of k.at n=30A178328
- a(n) = a(n-1) + floor((a(n-2) + a(n-3))/2), with a(n)=1 for n < 3.at n=27A214041
- a(n) = Sum_{p in P} (Sum_{k_j = 1} 1)^2, where P is the set of partitions of n, and the k_j are the frequencies in p.at n=31A302300