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Search: id:A087388
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A087388 a(1) = 2; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n). +0
4
2, 23, 3203, 302317, 7132031, 130231711, 1171320317, 71302317113, 31171320317057, 7507130231711321, 123117132031705727, 7275071302317113213, 312311713203170572751, 157275071302317113213041 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2) = 23, a(3) is the smallest prime beginning with 32 and is 3203.

CROSSREFS

Cf. A087389, A087390, A087391.

Sequence in context: A124513 A081781 A088734 this_sequence A117507 A068656 A030997

Adjacent sequences: A087385 A087386 A087387 this_sequence A087389 A087390 A087391

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 09 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 25 2005

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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