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A179918 Primes with ten embedded primes. 2
23719, 31379, 52379, 111373, 111731, 111733, 112397, 113117, 113167, 113723, 113759, 113761, 115237, 117191, 117431, 121139, 122971, 123113, 123373, 123479, 123731, 124337, 126173, 126317, 127139, 127733, 127739, 127973, 129733, 131171 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A079066(a(n)) = 10.

LINKS

Table of n, a(n) for n=1..30.

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@ 12280, f@# == 11 &]

PROG

(Haskell)

import Data.List (elemIndices)

a179918 n = a179918_list !! (n-1)

a179918_list = map (a000040 . (+ 1)) $ elemIndices 10 a079066_list

-- Reinhard Zumkeller, Jul 19 2011

CROSSREFS

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

Sequence in context: A251855 A200437 A223342 * A168169 A031649 A011254

Adjacent sequences:  A179915 A179916 A179917 * A179919 A179920 A179921

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, Aug 01 2010

STATUS

approved

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Last modified May 20 03:10 EDT 2019. Contains 323412 sequences. (Running on oeis4.)