The sequence denoted by h_n used in the calculation of A323260.

Terms

a(0) =1a(1) =5a(2) =19a(3) =76a(4) =307a(5) =1245a(6) =5052a(7) =20503a(8) =83207a(9) =337674a(10) =1370353a(11) =5561177a(12) =22568402a(13) =91587225a(14) =371679831a(15) =1508353356a(16) =6121208799a(17) =24841126945a(18) =100810413140a(19) =409109434531