A276732 - OEIS

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A276732

Primes p such that (p + 1)/10 is also prime.

19, 29, 109, 229, 409, 709, 829, 1009, 1069, 1129, 1489, 1669, 1789, 2269, 2389, 2689, 3109, 3169, 3469, 3529, 3889, 4789, 4909, 5209, 5569, 5689, 5869, 6469, 6529, 6829, 8089, 8209, 8269, 8389, 8629, 9109, 9769, 9829, 10909, 12289, 12589, 12829, 12889, 13009, 13669, 13729, 14389

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OFFSET

1,1

LINKS

Zak Seidov, Table of n, a(n) for n = 1..9259

FORMULA

a(n) = 10*A158017(n)-1.

MATHEMATICA

Select[Prime@ Range@ 1800, PrimeQ[(# + 1)/10] &] (* Michael De Vlieger, Sep 16 2016 *)

CROSSREFS

Cf. A137516, A158017.

Sequence in context: A139886 A089724 A265804 * A038542 A269262 A166659

Adjacent sequences: A276729 A276730 A276731 * A276733 A276734 A276735

KEYWORD

nonn

AUTHOR

Zak Seidov, Sep 16 2016

STATUS

approved