Triangle T(n,k), 0 <= k <= n, read by rows, given by [1,1,1,1,1,1,1,...] DELTA [0,1,0,1,0,1,0,1,0,...] where DELTA is the operator defined in A084938.
A133336
Triangle T(n,k), 0 <= k <= n, read by rows, given by [1,1,1,1,1,1,1,...] DELTA [0,1,0,1,0,1,0,1,0,...] where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =2a(4) =1a(5) =0a(6) =5a(7) =5a(8) =1a(9) =0a(10) =14a(11) =21a(12) =9a(13) =1a(14) =0a(15) =42a(16) =84a(17) =56a(18) =14a(19) =1a(20) =0a(21) =132a(22) =330a(23) =300a(24) =120a(25) =20a(26) =1a(27) =0a(28) =429a(29) =1287
External references
- oeis: A133336