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A263240 Emirps whose reversals are merely their end digits swapped. 2
13, 17, 31, 37, 71, 73, 79, 97, 107, 113, 149, 157, 167, 179, 199, 311, 337, 347, 359, 389, 701, 709, 733, 739, 743, 751, 761, 769, 907, 937, 941, 953, 967, 971, 983, 991, 1009, 1223, 1229, 1559, 1669, 3221, 3889, 7229, 9001, 9221, 9227, 9551, 9661, 10007, 10009, 10909, 11717, 11719, 12227, 12323, 12829, 13337, 13933, 14143, 14447, 14449, 14549, 14843, 14947 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of emirps A006567 with which it is identical for the first 37 terms.

Entries with 4 or more digits consist of a middle repdigit or palindrome part inserted between the end digits.

LINKS

Table of n, a(n) for n=1..65.

CROSSREFS

Cf. A006567, A263241, A263242.

Sequence in context: A225035 A344626 A006567 * A246043 A246045 A108388

Adjacent sequences:  A263237 A263238 A263239 * A263241 A263242 A263243

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Oct 13 2015

STATUS

approved

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Last modified September 28 22:34 EDT 2021. Contains 347717 sequences. (Running on oeis4.)