Expansion of g.f. 1/((1-2x)(1-3x)(1-9x)).
A016278
Expansion of g.f. 1/((1-2x)(1-3x)(1-9x)).
Terms
- a(0) =1a(1) =14a(2) =145a(3) =1370a(4) =12541a(5) =113534a(6) =1023865a(7) =9221090a(8) =83008981a(9) =747138854a(10) =6724424785a(11) =60520350410a(12) =544684739821
External references
- oeis: A016278