Triangle T(n,k), read by rows, given by (0, 2, 3, 4, 6, 6, 9, 8, 12, 10, 15, ...) DELTA (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, ...) where DELTA is the operator defined in A084938.
A185285
Triangle T(n,k), read by rows, given by (0, 2, 3, 4, 6, 6, 9, 8, 12, 10, 15, ...) DELTA (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, ...) where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =10a(8) =6a(9) =1a(10) =0a(11) =74a(12) =52a(13) =12a(14) =1a(15) =0a(16) =730a(17) =570a(18) =160a(19) =20a(20) =1a(21) =0a(22) =9002a(23) =7600a(24) =2430a(25) =380a(26) =30a(27) =1a(28) =0a(29) =133210
External references
- oeis: A185285