575680

Appears in sequences

• Generalized Stirling2 array (8,2).at n=11A092077
• a(n) = (n+2)*(n+1)*(n^6-12*n^5+70*n^4-210*n^3+409*n^2-378*n+360)/720.at n=13A302644
• Expansion of e.g.f. (1/x) * Series_Reversion( x*(3 - exp(2*x))/2 ).at n=6A370894