%I #5 Nov 09 2015 16:08:25
%S 0,1,3,5,17,21,23,27,29,31,35,39,41,47,51,53,57,59,61,65,69,71,73,77,
%T 221,223,231,233,237,239,245,249,261,263,267,269,275,277,287,291,295,
%U 299,303,315,317,323,329,331,335,337,345,347,349,357,363,855,857,1073,1077,1085,1087,1095,1097,1101,1111
%N a(n) = A049820(A263257(n)).
%C Sequence is strictly increasing.
%H Antti Karttunen, <a href="/A263258/b263258.txt">Table of n, a(n) for n = 1..1835</a>
%F a(n) = A049820(A263257(n)).
%o (Scheme) (define (A263258 n) (A049820 (A263257 n)))
%Y Cf. A049820, A263257.
%K nonn
%O 1,3
%A _Antti Karttunen_, Nov 07 2015