Triangle T(n,k) = A053120(n,k)+binomial(n,k) read by rows, 0<=k<=n.

Terms

a(0) =2a(1) =1a(2) =2a(3) =0a(4) =2a(5) =3a(6) =1a(7) =0a(8) =3a(9) =5a(10) =2a(11) =4a(12) =-2a(13) =4a(14) =9a(15) =1a(16) =10a(17) =10a(18) =-10a(19) =5a(20) =17a(21) =0a(22) =6a(23) =33a(24) =20a(25) =-33a(26) =6a(27) =33a(28) =1a(29) =0