Triangle T(n,k) read by rows; given by [0,1,0,1,0,1,0,1,...] DELTA [1,1,1,2,1,3,1,4,1,5,1,6,...], where DELTA is Deléham's operator defined in A084938.
A085838
Triangle T(n,k) read by rows; given by [0,1,0,1,0,1,0,1,...] DELTA [1,1,1,2,1,3,1,4,1,5,1,6,...], where DELTA is Deléham's operator defined in A084938.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =1a(8) =5a(9) =5a(10) =0a(11) =1a(12) =9a(13) =22a(14) =15a(15) =0a(16) =1a(17) =14a(18) =60a(19) =98a(20) =52a(21) =0a(22) =1a(23) =20a(24) =130a(25) =366a(26) =457a(27) =203a(28) =0a(29) =1
External references
- oeis: A085838