62628
domain: N
Appears in sequences
- a(1)=1, a(n) is the smallest number >= a(n-1) such that the simple continued fraction for S(n) = 1/a(1) + 1/a(2) + ... + 1/a(n) contains exactly n elements.at n=37A071012
- E.g.f.: Sum_{n>=0} 2^(n^2)*log(1+x)^n/n!.at n=4A160710
- Number of arrays of 2n nondecreasing integers in -3..3 with sum zero and equal numbers greater than zero and less than zero.at n=32A203286
- a(n) = 54*n^2 + 6*n.at n=34A277990
- Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.at n=13A309964
- Maximum number of copies of a 1234 permutation pattern in an alternating (or zig-zag) permutation of length n + 5.at n=32A338429
- a(n) = n! * Sum_{k=1..n} ( Sum_{d|k} d^(k/d) )/k.at n=6A356436