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A268695 Odd numbers n that are neither of the form p + 2^a + 2^b nor of the form p - 2^a - 2^b with 2^a + 2^b < n, b > a > 0, and p prime. 0

%I #7 Feb 12 2016 13:23:54

%S 1,3,5,255,65535,196605,327675,5177265,29687355,32046615,81328935,

%T 109246845,121436355,129955905,139392945,193000575,194704485,

%U 228258405,252375285,363260505,371911125,404678625,435611145,491446965,523821255,528670845,535879695,560914065

%N Odd numbers n that are neither of the form p + 2^a + 2^b nor of the form p - 2^a - 2^b with 2^a + 2^b < n, b > a > 0, and p prime.

%Y Subsequence of A268693.

%K nonn

%O 1,2

%A _Arkadiusz Wesolowski_, Feb 11 2016

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Last modified May 5 19:31 EDT 2024. Contains 372277 sequences. (Running on oeis4.)