Expansion of 1/((1-2x)(1-5x)(1-6x)(1-7x)).
A025986
Expansion of 1/((1-2x)(1-5x)(1-6x)(1-7x)).
Terms
- a(0) =1a(1) =20a(2) =257a(3) =2704a(4) =25389a(5) =221676a(6) =1841449a(7) =14758568a(8) =115171397a(9) =880623172a(10) =6627177921a(11) =49248518592a(12) =362296167325
External references
- oeis: A025986