Lesser of a pair of records in A066272.

Terms

a(0) =5197a(1) =22522a(2) =67567a(3) =337837a(4) =788287a(5) =1013512a(6) =1914412a(7) =17229712a(8) =50923372a(9) =65472907a(10) =132094462a(11) =254616862a(12) =327364537a(13) =2291551762a(14) =5856187837a(15) =12548973937a(16) =72784048837a(17) =158117071612a(18) =218352146512a(19) =363920244187