Triangle read by rows: T(n,k) = Stirling2(n, k+1) + abs(Stirling1(n,k)), 0 <= k <= n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =5a(8) =4a(9) =1a(10) =1a(11) =13a(12) =17a(13) =7a(14) =1a(15) =1a(16) =39a(17) =75a(18) =45a(19) =11a(20) =1a(21) =1a(22) =151a(23) =364a(24) =290a(25) =100a(26) =16a(27) =1a(28) =1a(29) =783