103134
domain: N
Appears in sequences
- Number of subsets of {1,2,....,n} with an arithmetic mean that is an integer and also a divisor of n.at n=21A114976
- Concatenation of odd n and even n-th nonprime.at n=36A155486
- Numbers that are the sum of ten fifth powers in four or more ways.at n=13A345636
- Numbers that are the sum of ten fifth powers in exactly four ways.at n=13A346349
- Position of n-th appearance of 2n in the sequence of prime gaps (A001223). If 2n does not appear at least n times, set a(n) = -1.at n=30A356223