Triangle T(n,k), read by rows, given by T(n,0)=1, T(n,1)=2^(n+1)-n-2, T(n,n)=(-1)^(n-1) for n > 0, T(n,k)=T(n-1,k)-T(n-1,k-1) for 1 < k < n.
A232774
Triangle T(n,k), read by rows, given by T(n,0)=1, T(n,1)=2^(n+1)-n-2, T(n,n)=(-1)^(n-1) for n > 0, T(n,k)=T(n-1,k)-T(n-1,k-1) for 1 < k < n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =-1a(6) =1a(7) =11a(8) =-5a(9) =1a(10) =1a(11) =26a(12) =-16a(13) =6a(14) =-1a(15) =1a(16) =57a(17) =-42a(18) =22a(19) =-7a(20) =1a(21) =1a(22) =120a(23) =-99a(24) =64a(25) =-29a(26) =8a(27) =-1a(28) =1a(29) =247
External references
- oeis: A232774