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A124825 Numbers n such that 10n+7 and 7n+10 are primes. +0
2
1, 3, 9, 13, 27, 31, 33, 39, 57, 67, 79, 87, 93, 109, 111, 121, 159, 163, 169, 177, 187, 223, 229, 237, 241, 267, 277, 303, 351, 363, 367, 369, 379, 387, 421, 433, 439, 451, 463, 493, 507, 519, 523, 541, 571, 573, 589, 603, 621, 633, 639, 663, 673, 697, 699 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A113510 A163795 A079994 this_sequence A074938 A057260 A107364

Adjacent sequences: A124822 A124823 A124824 this_sequence A124826 A124827 A124828

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Nov 09 2006

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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