Triangle read by rows: T(n, k) = 2^k - binomial(n+1, k+1) - ((2*k-n)/(k+1)) * binomial(n+1, k).

Terms

a(0) =0a(1) =-1a(2) =1a(3) =-2a(4) =-2a(5) =4a(6) =-3a(7) =-6a(8) =-2a(9) =11a(10) =-4a(11) =-11a(12) =-12a(13) =1a(14) =26a(15) =-5a(16) =-17a(17) =-27a(18) =-19a(19) =11a(20) =57a(21) =-6a(22) =-24a(23) =-48a(24) =-54a(25) =-24a(26) =36a(27) =120a(28) =-7a(29) =-32