50080
domain: N
Appears in sequences
- Least k such that the first k terms of A006928 contain n more 2's than 1's.at n=31A025507
- a(n) = Sum_{d|n, n/d=1 mod 4} d^4 - Sum_{d|n, n/d=3 mod 4} d^4.at n=14A050468
- 1/56 of the number of permutations of 7 indistinguishable copies of 1..n with exactly 2 local maxima.at n=3A152517
- a(n) = (-1)^n * Sum_{2*m + 1 | 2*n + 1} (-1)^m (2*m + 1)^4.at n=7A204342
- Expansion of 1/(1 - Sum_{k>=1} k!*x^(k*(k+1)/2) / Product_{j=1..k} (1 - x^j)).at n=13A307068
- a(n) = usigma(A276086(n)), where usigma (A034448) is multiplicative with a(p^e) = (p^e)+1, and A276086 gives the prime product form of primorial base expansion of n.at n=58A348996