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A117155 List of smaller members p of the prime pairs (p,q) mentioned in A117300. 1
2, 11, 17, 29, 41, 59, 71, 1009, 1087, 1093, 1213, 1279, 1297, 1303, 1429, 1447, 1483, 1489, 1549, 1567, 1579, 1609, 1663, 1693, 1783, 1867, 1873, 1993, 1999, 2039, 2083, 2137, 2203, 2239, 2269, 2293, 2347, 2377, 2389, 2437, 2473, 2539, 2617, 2659, 2683 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Smaller of pair of n-digit primes with difference n.

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

17 is in the sequence because (1) it is a 2-digit prime number, (2) the next 2-digit prime number is 19 and (3) 19-17=2

1009 is in the sequence because (1) it is a 4-digit prime number, (2) the next 4-digit prime number is 1013 and (3) 1013-1009=4

CROSSREFS

Cf. A117300.

Sequence in context: A194658 A104272 A214934 * A186782 A141176 A118839

Adjacent sequences:  A117152 A117153 A117154 * A117156 A117157 A117158

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 21 2006

EXTENSIONS

Edited by N. J. A. Sloane at the suggestion of Andrew Plewe, May 16 2007

STATUS

approved

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Last modified May 21 17:10 EDT 2013. Contains 225504 sequences.