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A113783 Differences in indices of palindromic five-digit primes. 0
22, 8, 74, 10, 106, 36, 9, 55, 52, 12, 35, 44, 79, 9, 53, 30, 20, 11, 81, 51, 23, 34, 79, 54, 10, 995, 12, 18, 27, 8, 21, 50, 76, 13, 110, 101, 28, 17, 13, 17, 33, 49, 29, 70, 33, 43, 7, 57, 49, 2823, 28, 8, 64, 60, 30, 44, 29, 13, 36, 34, 66, 73, 69, 27, 63, 7, 50, 41, 26, 10, 44, 28, 27, 944, 24, 193, 7, 43, 27, 26, 28, 19, 6, 96, 25, 17, 25, 49, 20, 24, 39, 26 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..92.

EXAMPLE

First and second 5d palindromic primes are 10301=p(1263),10501=p(1285), hence a(1)=1285-1263=23. Two largest 5d palindromic primes are 98389=p(9448),98689=p(9474), hence a(92)=9474-9448=26. There are exactly 93 five-digit palindromic primes.

CROSSREFS

Cf. A002385 = palindromic primes.

Sequence in context: A134911 A298145 A298176 * A298781 A058402 A248032

Adjacent sequences:  A113780 A113781 A113782 * A113784 A113785 A113786

KEYWORD

fini,full,base,nonn

AUTHOR

Zak Seidov, Jan 20 2006

STATUS

approved

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)