Growth function for the submonoid generated by the generators of the free nil-2 group on three generators.
A140348
Growth function for the submonoid generated by the generators of the free nil-2 group on three generators.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =27a(4) =78a(5) =216a(6) =568a(7) =1410a(8) =3309a(9) =7307a(10) =15303
External references
- oeis: A140348