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Search: id:A083994
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A083994 a(1) = 7 then the smallest number such that the forward as well as the reverse n-th partial concatenation is a prime for n>1. (Reverse concatenation is taken term-wise and not digit-wise). +0
4
7, 1, 29, 3, 9, 73, 39, 3, 443, 547, 41, 913, 417, 219, 149, 3289, 237, 4503, 1559, 4297, 8747, 3003, 4213, 7163, 1147, 851, 957, 5589, 6819, 3931, 30653, 6157, 453, 8009, 2899, 26393, 15651, 81763, 11549, 101277, 17929, 130631, 10023, 10293, 139197 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Cf. A083992, A083993.

Sequence in context: A053288 A050301 A146996 this_sequence A084181 A002678 A147482

Adjacent sequences: A083991 A083992 A083993 this_sequence A083995 A083996 A083997

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 23 2003

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 03 2003

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.


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