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Search: id:A055781
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A055781 Primes q of form q=10p+1, where p is also prime. +0
3
31, 71, 131, 191, 311, 431, 971, 1031, 1091, 1511, 1571, 1811, 1931, 2111, 2411, 2711, 3371, 3491, 3671, 4091, 4211, 4391, 4871, 5231, 5471, 5711, 6011, 6131, 6311, 6911, 7331, 7691, 8111, 8231, 8291, 8831, 9371, 10091, 10211, 10331, 10391, 10631 (list; graph; listen)
OFFSET

1,1

EXAMPLE

1031=103*10+1, 1 glued to 103

CROSSREFS

A005384, A005385.

Sequence in context: A109309 A127191 A003542 this_sequence A142195 A139975 A050957

Adjacent sequences: A055778 A055779 A055780 this_sequence A055782 A055783 A055784

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jul 13 2000

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


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