Expansion of 1/((1-2x)(1-3x)(1-4x)(1-7x)).

Terms

a(0) =1a(1) =16a(2) =167a(3) =1454a(4) =11529a(5) =86772a(6) =633739a(7) =4547818a(8) =32300477a(9) =228024368a(10) =1604029791a(11) =11260172742a(12) =78950652145a(13) =553177103404