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A097538
Subtract 2 from primes == 3 (mod 4).
0
1, 5, 9, 17, 21, 29, 41, 45, 57, 65, 69, 77, 81, 101, 105, 125, 129, 137, 149, 161, 165, 177, 189, 197, 209, 221, 225, 237, 249, 261, 269, 281, 305, 309, 329, 345, 357, 365, 377, 381, 417, 429, 437, 441, 461, 465, 477, 485, 489, 497, 501, 521, 545, 561, 569, 585, 597, 605
OFFSET
1,2
CROSSREFS
Equals A002145(n) - 2. Cf. A097539.
Sequence in context: A273425 A273762 A273851 * A001771 A288448 A022341
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 27 2004
STATUS
approved