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.

1, 3, 5, 255, 65535, 196605, 327675, 5177265, 29687355, 32046615, 81328935, 109246845, 121436355, 129955905, 139392945, 193000575, 194704485, 228258405, 252375285, 363260505, 371911125, 404678625, 435611145, 491446965, 523821255, 528670845, 535879695, 560914065

Offset: 1

Author

Arkadiusz Wesolowski, Feb 11 2016

Keywords

• nonn

Crossrefs

Subsequence of A268693.