56831
domain: N
Appears in sequences
- Numbers k that divide the sum of digits of 13^k.at n=63A175525
- Numbers k such that k^p-p is prime, where p is product of the digits of k.at n=33A178328
- Number of partitions p of n such that median(p) < mean(p).at n=42A240217
- Numbers whose base-b expansions, for both b=3 and b=4, include no digits other than 1 and b-1.at n=22A262958
- a(n) = A230624(n)/2.at n=54A349821