A111339 Conjectured to be the numbers that do not appear in A006509.

5, 7, 8, 9, 10, 13, 14, 17, 20, 21, 22, 23, 25, 27, 28, 30, 31, 33, 37, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 53, 54, 55, 57, 58, 59, 60, 64, 65, 66, 69, 72, 74, 75, 78, 79, 82, 86, 87, 88, 89, 90, 91, 92, 93, 95, 96, 97, 99, 101, 102, 103, 104, 105, 107, 108, 109

Offset: 1

Author

Klaus Brockhaus, Nov 02 2005

Keywords

• nonn
• hard

Comments

Conjectured to be the complement of A111338.

There is no known proof that any of these terms is missing from A006509. - N. J. A. Sloane, Mar 06 2024

5 does not appear in the first 10^8 terms of A006509. - Robert C. Lyons, Mar 06 2024

Crossrefs

Cf. A111338, A006509.

Extensions

Edited by N. J. A. Sloane, Mar 06 2024