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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
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
Sequence in context: A291263 A226072 A346144 * A027736 A301638 A309863
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 April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)