Graded dimension of the space of invariant bilinear forms on the free pre-Lie algebra on one generator.
A098091
Graded dimension of the space of invariant bilinear forms on the free pre-Lie algebra on one generator.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =7a(4) =17a(5) =36a(6) =88a(7) =196a(8) =481a(9) =1148a(10) =2838a(11) =7020a(12) =17708a(13) =44837a(14) =114971a(15) =296457
External references
- oeis: A098091