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A179916 Primes with eight embedded primes. 2
12373, 12379, 12713, 13171, 15233, 17333, 17359, 17971, 19373, 19379, 21139, 21319, 22973, 23167, 23197, 23311, 23473, 23537, 23593, 23671, 23677, 23761, 23773, 23977, 24113, 24137, 24179, 24197, 24317, 24337, 24379, 24733, 25237 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A079066(a(n)) = 8.

LINKS

Table of n, a(n) for n=1..33.

MATHEMATICA

f[n_] := Block[ {id = IntegerDigits@n}, len = Length@ id - 1; Count[ PrimeQ@ Union[ FromDigits@# & /@ Flatten[ Table[ Partition[ id, k, 1], {k, len}], 1]], True] + 1]; Select[ Prime@ Range@ 2790, f@# == 9 &]

PROG

(Haskell)

import Data.List (elemIndices)

a179916 n = a179916_list !! (n-1)

a179916_list = map (a000040 . (+ 1)) $ elemIndices 8 a079066_list

-- Reinhard Zumkeller, Jul 19 2011

CROSSREFS

Cf. A039996, A079397, A033274, A034844, A092621, A179909 - A179919, A033274.

Sequence in context: A183693 A096618 A238308 * A236426 A235841 A140938

Adjacent sequences:  A179913 A179914 A179915 * A179917 A179918 A179919

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, Aug 01 2010

STATUS

approved

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Last modified May 25 00:59 EDT 2019. Contains 323534 sequences. (Running on oeis4.)