Expansion of (1 -2*x +4*x^2 -22*x^3 +6*x^4 +268*x^5 -854*x^6 +3596*x^7 -3100*x^8)/((1 -2*x)/(1 -2*x -4*x^2)).
A115109
Expansion of (1 -2*x +4*x^2 -22*x^3 +6*x^4 +268*x^5 -854*x^6 +3596*x^7 -3100*x^8)/((1 -2*x)/(1 -2*x -4*x^2)).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =18a(4) =62a(5) =420a(6) =682a(7) =5828a(8) =16852a(9) =61952a(10) =201184a(11) =669920a(12) =2184064a(13) =7126784a(14) =23147776a(15) =75118592a(16) =243460096a(17) =788658176a(18) =2553683968a(19) =8267055104a(20) =26758955008a(21) =86606348288a(22) =280288952320a(23) =907084169216
External references
- oeis: A115109