99450
domain: N
Appears in sequences
- Array of T(n,m)=1*5*...*(4n-3)*3*7*...*(4m-1)*2^(n+m)/(n+m)! by antidiagonals.at n=37A122882
- Denominators of a-sequence for Sheffer matrix A130191 (Stirling2 squared).at n=49A130409
- Denominator of z-sequence for Sheffer triangle A060081.at n=49A176729
- Number of (w,x,y,z) with all terms in {1,...,n} and w <= x > y <= z.at n=26A212246
- Degrees of irreducible representations of simple Chevalley group F4(2).at n=13A214481
- Degrees of irreducible representations of simple Chevalley group F4(2).at n=14A214481
- Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).at n=50A287143
- Numbers k that are norm-superabundant in Gaussian integers, i.e., A103230(m)/m^2 < A103230(k)/k^2 for all m < k.at n=15A332321
- Number of transitive relations on an n-set with exactly three ordered pairs.at n=10A349927