Triangle T(n,k), 0 <= k <= n, read by rows, given by [1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] DELTA [1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.
A111049
Triangle T(n,k), 0 <= k <= n, read by rows, given by [1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] DELTA [1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =2a(6) =1a(7) =6a(8) =9a(9) =4a(10) =1a(11) =11a(12) =27a(13) =25a(14) =8a(15) =1a(16) =20a(17) =70a(18) =100a(19) =65a(20) =16a(21) =1a(22) =37a(23) =170a(24) =330a(25) =325a(26) =161a(27) =32a(28) =1a(29) =70
External references
- oeis: A111049