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A229783 Common difference in sets of 5 consecutive palindromic primes (palprimes) in arithmetic progression. 0
1110000, 810000, 8100000, 81000000, 81000000, 111000000, 111000000, 81000000, 81000000, 810000000, 810000000, 1110000000, 810000000, 810000000, 810000000, 810000000, 810000000, 1110000000, 1110000000, 810000000, 810000000, 810000000, 1110000000, 1110000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

a(2)=810000 since (16831813861, 16832623861, 16833433861, 16834243861, 16835053861) is the second arithmetic progression of 5 consecutive palindromic primes with common difference = 810000.

CROSSREFS

Cf. A059122.

Sequence in context: A253619 A235221 A060087 * A176999 A035613 A038449

Adjacent sequences:  A229780 A229781 A229782 * A229784 A229785 A229786

KEYWORD

nonn,base

AUTHOR

Shyam Sunder Gupta, Sep 29 2013

STATUS

approved

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Last modified July 20 05:43 EDT 2019. Contains 325168 sequences. (Running on oeis4.)