Triangle A(k,n) = (-2)^k+2^n read by rows.

Terms

a(0) =2a(1) =-1a(2) =0a(3) =5a(4) =6a(5) =8a(6) =-7a(7) =-6a(8) =-4a(9) =0a(10) =17a(11) =18a(12) =20a(13) =24a(14) =32a(15) =-31a(16) =-30a(17) =-28a(18) =-24a(19) =-16a(20) =0a(21) =65a(22) =66a(23) =68a(24) =72a(25) =80a(26) =96a(27) =128a(28) =-127a(29) =-126