Triangle T(n,k), read by rows given by (1, 1, 1, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (1, 0, -1, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.
A238941
Triangle T(n,k), read by rows given by (1, 1, 1, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (1, 0, -1, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =5a(7) =8a(8) =4a(9) =1a(10) =13a(11) =21a(12) =13a(13) =6a(14) =1a(15) =34a(16) =55a(17) =40a(18) =25a(19) =7a(20) =1a(21) =89a(22) =144a(23) =120a(24) =90a(25) =33a(26) =9a(27) =1a(28) =233a(29) =377
External references
- oeis: A238941