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A172514 First prime not the middle of a prime two digits longer in base n=2,3,4,... 2
3, 7, 19, 97, 823, 3499, 2777, 6827, 2437, 21523, 300299, 446273, 339769, 1168523, 14117417, 29227421, 14160061, 78521987, 161187707, 1200085823, 2125209127, 1369430897, 56378083771, 26054006611, 2223344069957 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..26.

CROSSREFS

A247593, A247699

Sequence in context: A243583 A215487 A146037 * A128024 A245723 A118128

Adjacent sequences:  A172511 A172512 A172513 * A172515 A172516 A172517

KEYWORD

nonn,base

AUTHOR

James G. Merickel, Feb 05 2010

EXTENSIONS

a(24)-a(26) added by James G. Merickel, Sep 22 2014

STATUS

approved

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Last modified January 26 18:26 EST 2022. Contains 350599 sequences. (Running on oeis4.)