Triangle T(n,k), read by rows, given by (1,0,2,1,3,2,4,3,5,4,6,5,7,6,8,7,9,8,...) DELTA (0,1,0,1,0,1,0,1,0,1,0,1,0,1,...) where DELTA is the operator defined in A084938.

A200545

Triangle T(n,k), read by rows, given by (1,0,2,1,3,2,4,3,5,4,6,5,7,6,8,7,9,8,...) DELTA (0,1,0,1,0,1,0,1,0,1,0,1,0,1,...) where DELTA is the operator defined in A084938.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =4a(8) =1a(9) =0a(10) =1a(11) =13a(12) =9a(13) =1a(14) =0a(15) =1a(16) =46a(17) =56a(18) =16a(19) =1a(20) =0a(21) =1a(22) =199a(23) =334a(24) =160a(25) =25a(26) =1a(27) =0a(28) =1a(29) =1072

External references