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

1,1

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

Links

Table of n, a(n) for n=1..68.

Crossrefs

Cf. A111338, A006509.

Sequence in context: A072281 A242273 A261917 * A273786 A255922 A241028

Adjacent sequences: A111336 A111337 A111338 * A111340 A111341 A111342

Keyword

nonn,hard

Author

Klaus Brockhaus, Nov 02 2005

Extensions

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

Status

approved