Numerators of row sums of array of rationals A038566(n)/A020653(n), n>=2.

Terms

a(0) =1a(1) =5a(2) =10a(3) =77a(4) =26a(5) =223a(6) =988a(7) =3909a(8) =748a(9) =55991a(10) =5084a(11) =785633a(12) =124658a(13) =207061a(14) =1096792a(15) =29889983a(16) =1893246a(17) =197698279a(18) =85352744a(19) =154834887a(20) =47589202a(21) =325333835a(22) =1188897016a(23) =7612795845a(24) =5775510652a(25) =183259245573a(26) =33778670612