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

Terms

a(0) =1a(1) =-7a(2) =28a(3) =-84a(4) =210a(5) =-462a(6) =924a(7) =-1715a(8) =2989a(9) =-4900a(10) =7448a(11) =-9996a(12) =9996a(13) =0a(14) =-38759a(15) =149205a(16) =-422576a(17) =1041348a(18) =-2350922a(19) =4970070a(20) =-9940140a(21) =18874261a(22) =-33957343a(23) =57374296a(24) =-89125120a(25) =120875944a(26) =-120875944a(27) =0a(28) =459957169a(29) =-1749692735