Expansion of 1 / ((1-x)^5 - x^7).

Terms

a(0) =1a(1) =5a(2) =15a(3) =35a(4) =70a(5) =126a(6) =210a(7) =331a(8) =505a(9) =770a(10) =1221a(11) =2080a(12) =3822a(13) =7385a(14) =14501a(15) =28201a(16) =53585a(17) =99043a(18) =178335a(19) =314413a(20) =546806a(21) =946121a(22) =1642244a(23) =2877925a(24) =5107821a(25) =9176831a(26) =16634509a(27) =30281870a(28) =55117511a(29) =99979855