Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.
A054090
Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =2a(9) =3a(10) =1a(11) =10a(12) =6a(13) =8a(14) =7a(15) =1a(16) =32a(17) =22a(18) =26a(19) =24a(20) =25a(21) =1a(22) =130a(23) =98a(24) =108a(25) =104a(26) =106a(27) =105a(28) =1a(29) =652
External references
- oeis: A054090