49624
domain: N
Appears in sequences
- First of three consecutive numbers with at least one 3 in their prime signature.at n=5A176350
- a(n) = A192525(n)/2.at n=31A192526
- Numbers k such that k and k+1 are both of the form p*q^3 where p and q are distinct primes.at n=35A215173
- Expansion of (1/(1 - x)) * Product_{k>=1} 1/(1 + (-x)^k/(1 - x)^k).at n=15A307264
- Records of A058249: (Smallest prime >= 2^n) - (largest prime <= 2^n).at n=50A331620
- Starts of runs of 3 consecutive numbers that have an equal number of unitary and nonunitary divisors (A048109).at n=4A335397
- a(n) = 2*n^4/3 - 4*n^3/3 + 11*n^2/6 - 13*n/6 + 1.at n=17A345897
- Expansion of g/(1 + x^2*g^2), where g = 1+x*g^4 is the g.f. of A002293.at n=7A391323