Expansion of g.f. 1/((1 - x)*(1 - 2*x)*(1 - 3*x)*(1 - 8*x)).
A021044
Expansion of g.f. 1/((1 - x)*(1 - 2*x)*(1 - 3*x)*(1 - 8*x)).
Terms
- a(0) =1a(1) =14a(2) =137a(3) =1186a(4) =9789a(5) =79278a(6) =637249a(7) =5107322a(8) =40887077a(9) =327183142a(10) =2617726761a(11) =20942603058a(12) =167543199565
External references
- oeis: A021044