Expansion of 1/(1-x*(1-6*x)).

Terms

a(0) =1a(1) =1a(2) =-5a(3) =-11a(4) =19a(5) =85a(6) =-29a(7) =-539a(8) =-365a(9) =2869a(10) =5059a(11) =-12155a(12) =-42509a(13) =30421a(14) =285475a(15) =102949a(16) =-1609901a(17) =-2227595a(18) =7431811a(19) =20797381a(20) =-23793485a(21) =-148577771a(22) =-5816861a(23) =885649765a(24) =920550931a(25) =-4393347659a(26) =-9916653245a(27) =16443432709