%I #7 Mar 04 2013 18:31:56
%S 1,5,9,11,15,17,27,29,39,41,47,49,55,61,65,69,73,79,85,89,93,111,117,
%T 119,125,137,149,153,155,161,175,181,191,193,195,211,227,231,243,255,
%U 267,269,275,279,287,295,301,307,315,317,329,335,347,349,355,357,359,361,365
%N Odd numbers that appear in sequence A217916.
%H Paul D. Hanna, <a href="/A217917/b217917.txt">Table of n, a(n) for n = 1..286</a>
%F a(n) = A217916( (n+1)*(n+2)/2 - 1 ) for n>=1.
%Y Cf. A217916.
%K nonn
%O 1,2
%A _Paul D. Hanna_, Mar 04 2013
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