7431782400
domain: N
Appears in sequences
- a(n) = 2^n*(n-1)! for n > 1, a(1) = 1.at n=10A032184
- Denominators in the series for Bessel function J9(x).at n=1A061440
- Number of necklaces with n labeled beads of 2 colors.at n=10A066318
- Duplicate of A032184.at n=9A130683
- Expansion of e.g.f. A(x) = Sum_{n>=0} 2^n * binomial(x^n + n-1, n).at n=11A202360
- Denominators of a series converging to Euler's constant.at n=7A302121