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Positions of 5's in A306211.
4

%I #6 Jan 30 2019 05:37:04

%S 255,353,389,402,509,545,558,603,616,638,660,662,756,792,805,850,863,

%T 885,907,909,941,954,976,998,1000,1009,1031,1033,1043,1045,1049,1146,

%U 1182,1195,1240,1253,1275,1297,1299,1331,1344,1366,1388,1390,1399,1421,1423

%N Positions of 5's in A306211.

%H Rémy Sigrist, <a href="/A306223/b306223.txt">Table of n, a(n) for n = 1..25000</a>

%Y Cf. A306211, A306222, A323476.

%K nonn

%O 1,1

%A _Rémy Sigrist_, Jan 30 2019