A068321 Numbers that are not the sum of arithmetic progressions of distinct primes including arithmetic progressions of length 1.

1, 4, 6, 27, 35, 65, 77, 95, 117, 119, 121, 125, 135, 143, 147, 155, 161, 171, 185, 187, 189, 203, 205, 207, 209, 215, 217, 221, 245, 247, 255, 261, 275, 287, 289, 297, 299, 301, 305, 323, 325, 329, 341, 343, 345, 357, 363, 365, 371, 377, 387, 395

Offset

1,2

Links

Table of n, a(n) for n=1..52.

Example

7 = 7 or 2+5, so 7 is not in the sequence.

Crossrefs

Sequence in context: A054265 A105409 A109934 * A349647 A012896 A013078

Adjacent sequences: A068318 A068319 A068320 * A068322 A068323 A068324

Keyword

easy,nonn

Author

Naohiro Nomoto, Feb 27 2002

Status

approved