Expansion of 1/(1-x(1-12x)).

Terms

a(0) =1a(1) =1a(2) =-11a(3) =-23a(4) =109a(5) =385a(6) =-923a(7) =-5543a(8) =5533a(9) =72049a(10) =5653a(11) =-858935a(12) =-926771a(13) =9380449a(14) =20501701a(15) =-92063687a(16) =-338084099a(17) =766680145a(18) =4823689333a(19) =-4376472407a(20) =-62260744403a(21) =-9743075519a(22) =737385857317a(23) =854302763545