Triangle read by rows, derived from an array of sequences generated from (1 + x)/ (1 - r*x - r*x^2).
A180165
Triangle read by rows, derived from an array of sequences generated from (1 + x)/ (1 - r*x - r*x^2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =1a(7) =4a(8) =8a(9) =5a(10) =1a(11) =5a(12) =15a(13) =22a(14) =8a(15) =1a(16) =6a(17) =24a(18) =57a(19) =60a(20) =13a(21) =1a(22) =7a(23) =35a(24) =116a(25) =216a(26) =164a(27) =21a(28) =1a(29) =8
External references
- oeis: A180165