147109
domain: N
Appears in sequences
- Strong pseudoprimes to base 50.at n=32A020276
- Strong pseudoprimes to base 55.at n=32A020281
- Strong pseudoprimes to base 74.at n=36A020300
- Discriminants of totally real quintic fields.at n=19A023683
- a(n) = smallest M such that M is not divisible by prime(1), ..., prime(n), but is divisible by Sum_{i=1..n} (M mod prime(i)); or 0 if no such M exists.at n=30A106572