INVERT transform of A118434, = row sums of triangle A144182.

Terms

a(0) =1a(1) =1a(2) =3a(3) =9a(4) =11a(5) =17a(6) =35a(7) =57a(8) =91a(9) =161a(10) =275a(11) =457a(12) =779a(13) =1329a(14) =2243a(15) =3801a(16) =6459a(17) =10945a(18) =18547a(19) =31465a(20) =53355a(21) =90449a(22) =153379a(23) =260089a(24) =440987a(25) =747745a(26) =1267923a(27) =2149897a(28) =3645387a(29) =6181233