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A068321 Numbers that are not the sum of arithmetic progressions of distinct primes including arithmetic progressions of length 1. 0
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 (list; graph; refs; listen; history; text; internal format)
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 * A012896 A013078 A106286

Adjacent sequences:  A068318 A068319 A068320 * A068322 A068323 A068324

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto, Feb 27 2002

STATUS

approved

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Last modified July 17 23:21 EDT 2019. Contains 325109 sequences. (Running on oeis4.)