Another version of triangular array in A083061: triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 3, 6, 10, 15, 21, 28, ...] DELTA [1, 2, 3, 4, 5, 6, 7, 8, ...] where DELTA is the operator defined in A084938.
A094665
Another version of triangular array in A083061: triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 3, 6, 10, 15, 21, 28, ...] DELTA [1, 2, 3, 4, 5, 6, 7, 8, ...] where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =3a(6) =0a(7) =4a(8) =15a(9) =15a(10) =0a(11) =34a(12) =147a(13) =210a(14) =105a(15) =0a(16) =496a(17) =2370a(18) =4095a(19) =3150a(20) =945a(21) =0a(22) =11056a(23) =56958a(24) =111705a(25) =107415a(26) =51975a(27) =10395a(28) =0a(29) =349504
External references
- oeis: A094665