202655domain: NAppears in sequencesCeiling(exp(n)/n^2).at n=17A132408Triangle, read by rows, where row n equals the coefficients of y^k in R_{n-1}(y+y^2) for k=2..n, where R_n(y) is the n-th row polynomial in y for n>=2 with R_2(y)=y^2.at n=34A187115A diagonal of triangle A187115.at n=6A187116