Expansion of 1 / ((1-x)^6 - x^7).

Terms

a(0) =1a(1) =6a(2) =21a(3) =56a(4) =126a(5) =252a(6) =462a(7) =793a(8) =1299a(9) =2080a(10) =3367a(11) =5733a(12) =10556a(13) =20944a(14) =43453a(15) =91104a(16) =188480a(17) =380190a(18) =745066a(19) =1420916a(20) =2650221a(21) =4869285a(22) =8888489a(23) =16261025a(24) =30031820a(25) =56231526a(26) =106791426a(27) =205108561a(28) =396480142a(29) =767426451