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A229725 Smallest starting palindromic prime for n consecutive palindromic primes in arithmetic progression. 0
3, 1120211, 13201010231, 1981856124216581891 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

COMMENTS

The next term is a(7) > 10^22.

LINKS

Table of n, a(n) for n=3..6.

EXAMPLE

First and smallest occurrence of n, n >= 3, consecutive palindromic primes in arithmetic progression:

a(3) = 3: (3, 5, 7);

a(4) = 1120211: (1120211, 1123211, 1126211, 1129211);

a(5) = 13201010231: (13201010231, 13202120231, 13203230231, 13204340231, 13205450231);

a(6) = 1981856124216581891: (1981856124216581891, 1981856135316581891, 1981856146416581891, 1981856157516581891, 1981856168616581891, 1981856179716581891)

CROSSREFS

Cf. A059120, A059121, A059122.

Sequence in context: A261541 A309225 A137131 * A244113 A324425 A117721

Adjacent sequences:  A229722 A229723 A229724 * A229726 A229727 A229728

KEYWORD

nonn,base,hard,more

AUTHOR

Shyam Sunder Gupta, Sep 28 2013

STATUS

approved

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Last modified June 24 18:38 EDT 2021. Contains 345419 sequences. (Running on oeis4.)