71827456domain: NAppears in sequencesa(n) = T(n,2), array T as in A049600.at n=21A049611Binomial transform of binomial(n+2,2).at n=20A084851G.f.: A(x) = exp( Sum_{n>=1} A183235(n)*x^n/n ) where A183235 is the sums of the cubes of multinomial coefficients.at n=6A182963