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A068872 Composite numbers with all divisors congruent to 1 mod 10. 0
121, 341, 451, 671, 781, 961, 1111, 1271, 1331, 1441, 1661, 1681, 1891, 1991, 2101, 2201, 2321, 2501, 2651, 2761, 2911, 2981, 3091, 3131, 3421, 3641, 3721, 3751, 4061, 4141, 4331, 4411, 4631, 4681, 4741, 4961, 5041, 5071, 5371, 5401, 5611, 5731, 5921 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A106573 A084306 A112075 * A203856 A167721 A128608

Adjacent sequences:  A068869 A068870 A068871 * A068873 A068874 A068875

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 19 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 2002

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.