49116375
domain: N
Appears in sequences
- E.g.f.: cosh(log(x+1)-arctanh(x)) (even powers only).at n=6A013302
- a(n) = (2n-1)!!/lcm{1,3,5,...,2n-1}.at n=17A025549
- a(n) = (2n-1)!!/lcm{1,3,5,...,2n-1}.at n=18A025549
- Denominators of coefficients of asymptotic expansion of probability p(n) (see A002816) in powers of 1/n.at n=15A078631
- Denominator of Sum_{k=0..n} n^k/k!.at n=15A214401
- Denominators of coefficients of expansion of exp(-Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.at n=15A256402
- Denominator of the expected fraction of occupied places on n-length lattice randomly filled with 2-length segments.at n=13A307132