112114domain: NAppears in sequencesConvolution of (F(2), F(3), F(4), ...) and A001950.at n=18A023654Expansion of Product_{k>0} 1/(1 - k*(k+1)/2 * x^(k*(k+1)/2)).at n=29A319257Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3)^2 )^n.at n=7A370249