Expansion of g.f. c(3x)^4, where c(x) is the g.f. of A000108.
A101602
Expansion of g.f. c(3x)^4, where c(x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =12a(2) =126a(3) =1296a(4) =13365a(5) =138996a(6) =1459458a(7) =15466464a(8) =165297834a(9) =1780130520a(10) =19301700924a(11) =210564010080
External references
- oeis: A101602