138412032
domain: N
Appears in sequences
- Expansion of e.g.f. x^2*exp(4*x).at n=12A052780
- Smallest k-almost prime between twin primes (for k >= 2).at n=22A068525
- a(n) = the least number which is the average of two consecutive primes and has exactly n prime factors (counted with multiplicity).at n=22A092576
- First differences of A109975.at n=25A111297
- a(n) is the least number having sum of digits n in base 10 and also exactly n prime factors (counted with multiplicity).at n=22A113758
- Expansion of (1-x+4*x^2)/(1-2*x)^2.at n=22A167667