Smallest number m such that A210659(m)=n.

Terms

a(0) =1a(1) =2a(2) =6a(3) =7a(4) =14a(5) =23a(6) =86a(7) =179a(8) =538a(9) =1439a(10) =9566a(11) =21383a(12) =122847a(13) =777419a(14) =1965374a(15) =6803099a(16) =19860614a(17) =26489579a(18) =269998838a(19) =477028439