Triangle T(n, k) read by rows: T(n, k) = Sum_{j=0..n} binomial(j, n-k) * |Stirling1(n, n-j)|.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =2a(8) =7a(9) =6a(10) =0a(11) =6a(12) =29a(13) =46a(14) =24a(15) =0a(16) =24a(17) =146a(18) =329a(19) =326a(20) =120a(21) =0a(22) =120a(23) =874a(24) =2521a(25) =3604a(26) =2556a(27) =720a(28) =0a(29) =720