%I #10 Jan 26 2021 03:38:49
%S 31,35,39,63,67,71,75,79,83,87,91,95,99,119,123,146,158,187,198,215,
%T 218,223,227,231,234,239,255,279,283,307,311,315,331,335,339,343,346,
%U 347,351,354,355,359,363,367,370,371,375,378,379,383,387,390,391,395,402,403,407,411,415,418
%N Numbers k such that A336957(k) is even and less than k.
%H N. J. A. Sloane, <a href="/A338068/b338068.txt">Table of n, a(n) for n = 1..20000</a>
%Y Cf. A336957, A338062-A338069.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Oct 19 2020