Expansion of g.f. c(3x)^3, where c(x) is the g.f. of A000108.
A101601
Expansion of g.f. c(3x)^3, where c(x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =9a(2) =81a(3) =756a(4) =7290a(5) =72171a(6) =729729a(7) =7505784a(8) =78298974a(9) =826489170a(10) =8811646074a(11) =94753804536
External references
- oeis: A101601