Expansion of 1/((1+x)*(1-x)^12).

Terms

a(0) =1a(1) =11a(2) =67a(3) =297a(4) =1068a(5) =3300a(6) =9076a(7) =22748a(8) =52834a(9) =115126a(10) =237590a(11) =467842a(12) =884236a(13) =1611908a(14) =2845492a(15) =4880668a(16) =8157227a(17) =13316953a(18) =21280337a(19) =33346963a(20) =51325352a(21) =77699128a(22) =115837592a(23) =170260168a(24) =246965732a(25) =353839564a(26) =501152588a(27) =702169700a(28) =973886344a(29) =1337915096