2316317domain: NAppears in sequencesa(n) = greatest number in row n of array T given by A026998.at n=22A027008a(n) = greatest number in row n of array T given by A027960.at n=22A027977a(n) = Sum_{k=0..binomial(n,2)} (-1)^k*A152534(n,k).at n=19A152536Expansion of e.g.f. exp(x) * Product_{k>=1} 1/(1 - x^k/k!).at n=9A320566