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A180022 Primes that can be obtained from other primes by interchanging the first and last digits. The source prime and the resulting prime are written consecutively. 3
11, 11, 13, 31, 17, 71, 31, 13, 37, 73, 71, 17, 73, 37, 79, 97, 97, 79, 101, 101, 107, 701, 113, 311, 131, 131, 149, 941, 151, 151, 157, 751, 167, 761, 179, 971, 181, 181, 191, 191, 199, 991, 311, 113, 313, 313, 337, 733, 347, 743, 353, 353, 359, 953, 373, 373 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence is different from A007500 and A069706. [From Parthasarathy Nambi, Aug 07 2010]

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

389 is a prime and the prime 983 is obtained by interchanging the first and last digits.

CROSSREFS

Cf. A179826, A180006

Cf. A007500,A069706. [From Parthasarathy Nambi, Aug 07 2010]

Sequence in context: A110415 A052257 A246400 * A003856 A167130 A299781

Adjacent sequences:  A180019 A180020 A180021 * A180023 A180024 A180025

KEYWORD

base,nonn

AUTHOR

Parthasarathy Nambi, Aug 06 2010

STATUS

approved

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Last modified April 6 09:22 EDT 2020. Contains 333273 sequences. (Running on oeis4.)