115198
domain: N
Appears in sequences
- Numbers of the form 2*p*q where (p,q) is a twin prime pair.at n=16A071142
- Squarefree numbers k such that A076341(k) = 0.at n=25A076352
- a(n) = (72 - 258*n + 601*n^2 - 264*n^3 + 33*n^4)/4.at n=13A108642
- Numbers m such that m, m' and m'' are in arithmetic progression, where m' and m'' are the first and second arithmetic derivatives of m.at n=31A212409
- Number of integer partitions of n whose semi-sums do not cover an interval of positive integers.at n=47A367403