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A032620 Numbers n such that n concatenated with n + 5 is a prime. +0
2
12, 16, 18, 28, 46, 64, 76, 78, 82, 88, 102, 126, 132, 138, 148, 154, 178, 184, 186, 196, 208, 214, 226, 228, 234, 246, 264, 282, 288, 298, 316, 318, 322, 324, 328, 342, 348, 352, 372, 408, 418, 424, 432, 438, 442, 444, 456, 462, 468, 472, 474, 478, 484 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A032610.

Sequence in context: A097620 A089021 A112548 this_sequence A096468 A054281 A070329

Adjacent sequences: A032617 A032618 A032619 this_sequence A032621 A032622 A032623

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.

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Last modified November 27 14:17 EST 2009. Contains 167569 sequences.


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