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A100490 Odd numbers ending in {1,3,7,9} that are not primes. 0
1, 9, 21, 27, 33, 39, 49, 51, 57, 63, 69, 77, 81, 87, 91, 93, 99, 111, 117, 119, 121, 123, 129, 133, 141, 143, 147, 153, 159, 161, 169, 171, 177, 183, 187, 189, 201, 203, 207, 209, 213, 217, 219, 221, 231, 237, 243, 247, 249, 253, 259, 261, 267, 273, 279, 287 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Essentially the same as A053795. [From R. J. Mathar, Sep 02 2008]

LINKS

Table of n, a(n) for n=0..55.

CROSSREFS

Sequence in context: A173456 A192192 A053795 * A173250 A128462 A186815

Adjacent sequences:  A100487 A100488 A100489 * A100491 A100492 A100493

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Nov 22 2004

STATUS

approved

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Last modified October 17 07:39 EDT 2021. Contains 348048 sequences. (Running on oeis4.)