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Values of A196189 such that both k and A196189(k) are odd.
2

%I #8 Sep 26 2012 18:36:49

%S 3,7,15,35,57,99,429,445,731,5151,12619,30061,68517,111435,766963,

%T 5272667,5892979,10855425,11475773,34427205,200476101,879640035,

%U 879640081,5987618771,9464300559,13456046373,33028477513,85307471025

%N Values of A196189 such that both k and A196189(k) are odd.

%C See A196190 for the indices of odd numbers such that A196189(n) is odd.

%C a(29) > 10^11.

%e The values of A196189 begin with 3, 5, 7, 9, 8, 11, 10, 13, 14, 17, 15, 19, 16, 23. The odd values with odd n of A196189 start with 3, 7, 15. Thus A217092(3) = 15 and A196190(3) = 11.

%Y Cf. A196189, A196190.

%K nonn

%O 1,1

%A _Robert Price_, Sep 26 2012