Triangle read by rows: T(n,k) is the k-th Lie-Betti number of the Fibonacci trees of order n >= 2.

Terms

a(0) =1a(1) =2a(2) =2a(3) =1a(4) =1a(5) =4a(6) =11a(7) =16a(8) =16a(9) =11a(10) =4a(11) =1a(12) =1a(13) =7a(14) =33a(15) =95a(16) =212a(17) =344a(18) =444a(19) =444a(20) =344a(21) =212a(22) =95a(23) =33a(24) =7a(25) =1a(26) =1a(27) =12a(28) =90a(29) =454