Logarithmic derivative of the g.f. of A113281.

Terms

a(0) =1a(1) =5a(2) =7a(3) =17a(4) =41a(5) =101a(6) =239a(7) =577a(8) =1393a(9) =3365a(10) =8119a(11) =19601a(12) =47321a(13) =114245a(14) =275807a(15) =665857a(16) =1607521a(17) =3880901a(18) =9369319a(19) =22619537a(20) =54608393a(21) =131836325a(22) =318281039a(23) =768398401a(24) =1855077841a(25) =4478554085a(26) =10812186007a(27) =26102926097a(28) =63018038201