148262400
domain: N
Appears in sequences
- Denominator of (1/Pi)*Integral_{0..oo} (sin x / x)^n dx.at n=13A049331
- Ratio of (2n-1)! to number of zeros in upper part of Sylvester matrix of polynomial of degree n with all nonzero coefficients.at n=5A138897
- Denominator of (1/Pi)*Integral_{0..infinity} (sin x / x)^(2*n) dx.at n=6A176366
- a(n) = n!/(m*(n-m)) with m = floor(n/2).at n=11A277876
- Number of labeled dihedral groups with a fixed identity.at n=6A336412