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A030468
Primes which when concatenated with next two primes are also prime.
2
5, 11, 17, 31, 41, 89, 229, 239, 263, 307, 313, 317, 353, 359, 383, 389, 401, 409, 439, 449, 563, 619, 701, 761, 773, 787, 797, 827, 907, 929, 1061, 1163, 1409, 1447, 1579, 1597, 1619, 1621, 1637, 1697, 1877, 1933, 2011, 2029, 2129, 2131
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OFFSET
1,1
LINKS
Paolo P. Lava,
Table of n, a(n) for n = 1..2500
CROSSREFS
Cf.
A000040
.
Sequence in context:
A155882
A087373
A155030
*
A277290
A085634
A157478
Adjacent sequences:
A030465
A030466
A030467
*
A030469
A030470
A030471
KEYWORD
nonn
,
base
AUTHOR
Patrick De Geest
STATUS
approved