Record values in A119999.

Terms

a(0) =1a(1) =2a(2) =8a(3) =12a(4) =298a(5) =1230a(6) =10494a(7) =74543a(8) =238174a(9) =402385a(10) =608924a(11) =858896a(12) =1150972a(13) =1486709a(14) =1864309a(15) =2285798a(16) =91850628a(17) =4005374676a(18) =4028841935a(19) =69750785781a(20) =88657850823a(21) =95628273398a(22) =154486668208