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.

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.

Terms

    a(0) =1a(1) =3a(2) =5a(3) =255a(4) =65535a(5) =196605a(6) =327675a(7) =5177265a(8) =29687355a(9) =32046615a(10) =81328935a(11) =109246845a(12) =121436355a(13) =129955905a(14) =139392945a(15) =193000575a(16) =194704485a(17) =228258405a(18) =252375285a(19) =363260505a(20) =371911125a(21) =404678625a(22) =435611145a(23) =491446965a(24) =523821255a(25) =528670845a(26) =535879695a(27) =560914065

External references