Triangle T(n,k) read by rows; given by [0,1,0,1,0,1,0,1,...] DELTA [1,0,1,1,1,2,1,3,1,4,1,5,...], where DELTA is the operator defined in A084938.
A085791
Triangle T(n,k) read by rows; given by [0,1,0,1,0,1,0,1,...] DELTA [1,0,1,1,1,2,1,3,1,4,1,5,...], where DELTA is the operator defined in A084938.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =3a(9) =1a(10) =0a(11) =1a(12) =6a(13) =7a(14) =1a(15) =0a(16) =1a(17) =10a(18) =24a(19) =16a(20) =1a(21) =0a(22) =1a(23) =15a(24) =60a(25) =86a(26) =40a(27) =1a(28) =0a(29) =1
External references
- oeis: A085791