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A230229 a(n) is the smallest palindromic prime that is the first of n consecutive palindromic primes with equal digit sum. 1
2, 11, 74747, 185595581, 16831813861, 94350482728405349, 3842148274728412483, 30308322353935322380303 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(9) > 10^24.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

a(3) = 74747, since 74747, 75557 and 76367 are three consecutive palindromic primes with digit sum 29 and this is the first occurrence of three consecutive palindromic primes with equal digit sum.

CROSSREFS

Cf. A071613, A002385, A007953, A007605, A230199.

Sequence in context: A291263 A226072 A346144 * A027736 A301638 A309863

Adjacent sequences:  A230226 A230227 A230228 * A230230 A230231 A230232

KEYWORD

base,more,nonn

AUTHOR

Shyam Sunder Gupta, Oct 12 2013

EXTENSIONS

a(8) from Shyam Sunder Gupta, Nov 09 2013

STATUS

approved

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Last modified October 6 03:14 EDT 2022. Contains 357261 sequences. (Running on oeis4.)