|
%I #9 Feb 08 2019 05:38:33
%S 1,3,37,60,255
%N Position where n first appears in A306211, or -1 if n never appears.
%C If 6 does appear in A306211, this happens after term 10228800161220 (see comments in A306211).
%Y Cf. A306211.
%K nonn,more,hard
%O 1,2
%A _N. J. A. Sloane_, Feb 01 2019
|
