Triangle T(n,k), read by rows, given by (1,2,2,3,3,4,4,5,5,6,6,...) DELTA (1,0,1,0,1,0,1,0,1,0,1,0,1,...) where DELTA is the operator defined in A084938.
A200659
Triangle T(n,k), read by rows, given by (1,2,2,3,3,4,4,5,5,6,6,...) DELTA (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) =1a(3) =3a(4) =4a(5) =1a(6) =13a(7) =21a(8) =9a(9) =1a(10) =71a(11) =132a(12) =76a(13) =16a(14) =1a(15) =461a(16) =955a(17) =670a(18) =200a(19) =25a(20) =1a(21) =3447a(22) =7782a(23) =6309a(24) =2374a(25) =435a(26) =36a(27) =1a(28) =29093a(29) =70441
External references
- oeis: A200659