1403325
domain: N
Appears in sequences
- a(n) = (2n-1)!!/lcm{1,3,5,...,2n-1}.at n=16A025549
- Denominators of coefficients in expansion of x^2*(1-exp(-2*x))^(-2).at n=14A104007
- a(n) = A001783(n)/A038610(n).at n=33A128247
- Common denominator of coefficients in Nörlund's polynomial D_{2n}(x).at n=10A260326
- Leading coefficients of numerators of Norlund's B_{nu}^(n) polynomials (Nørlund, Tafel 5, p. 459).at n=20A290030
- a(n) = denominator((2*n-1)*zeta(2*n)/Pi^(2*n)).at n=7A340243
- Smallest number having exactly n divisors of the form 8*k + 1.at n=20A343104
- Smallest number having exactly n divisors of the form 8*k + 5.at n=21A343106
- Denominators in approximations to the Aurifeuillian factors of p^p +- 1.at n=4A356519