Triangle of polynomial coefficients related to the o.g.f.s. of the RBS1 polynomials.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =18a(5) =5a(6) =1a(7) =179a(8) =479a(9) =61a(10) =1a(11) =1636a(12) =18270a(13) =19028a(14) =1385a(15) =1a(16) =14757a(17) =540242a(18) =1949762a(19) =1073517a(20) =50521a(21) =1a(22) =132854a(23) =14494859a(24) =137963364a(25) =241595239a(26) =82112518a(27) =2702765