a(n) = A276085(n!), where A276085 is the primorial base log-function.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =11a(5) =14a(6) =44a(7) =47a(8) =51a(9) =58a(10) =268a(11) =272a(12) =2582a(13) =2613a(14) =2621a(15) =2625a(16) =32655a(17) =32660a(18) =543170a(19) =543178a(20) =543210a(21) =543421a(22) =10243111a(23) =10243116a(24) =10243128a(25) =10245439a(26) =10245445a(27) =10245477a(28) =233338347a(29) =233338356