Triangle read by rows, T(n,k) = T(n-1, k-1) - T(n-k, k-1); with leftmost term in each row = sum of all previous terms.
A137680
Triangle read by rows, T(n,k) = T(n-1, k-1) - T(n-k, k-1); with leftmost term in each row = sum of all previous terms.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =0a(5) =1a(6) =7a(7) =2a(8) =0a(9) =1a(10) =17a(11) =4a(12) =1a(13) =0a(14) =1a(15) =40a(16) =10a(17) =4a(18) =1a(19) =0a(20) =1a(21) =96a(22) =23a(23) =8a(24) =3a(25) =1a(26) =0a(27) =1a(28) =228a(29) =56
External references
- oeis: A137680