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A263241 Lesser of emirp pairs that are merely reversals of their end digits. 2
13, 17, 37, 79, 107, 113, 149, 157, 167, 199, 337, 347, 359, 389, 709, 739, 769, 1009, 1223, 1229, 1559, 1669, 3889, 7229, 10007, 10009, 10909, 11717, 11719, 12227, 12323, 12829, 13337, 13933, 14143, 14447, 14449, 14549, 14843, 14947, 15053, 16063, 16267, 16567, 16763 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first digit is always smaller than last digit.

LINKS

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

CROSSREFS

Cf. A006567, A109308, A263240, A263242.

Sequence in context: A322472 A166681 A109308 * A246944 A086402 A271050

Adjacent sequences:  A263238 A263239 A263240 * A263242 A263243 A263244

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Oct 13 2015

STATUS

approved

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Last modified September 23 14:40 EDT 2021. Contains 347618 sequences. (Running on oeis4.)