2068498domain: NAppears in sequencesa(n) = Sum_{k=1..9} a(n-k); a(8) = 1, a(n) = 0 for n < 8.at n=30A104144The number of zeroless decimal numbers whose digital sum is n.at n=22A258800Number of label-increasing forests with branching bounded by 3.at n=11A297196