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A202263 Primes in which all substrings and reversal substrings are primes. 5
2, 3, 5, 7, 37, 73, 373 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Sequence is finite with 7 terms.

Subsequence of A085823, A068669, A024770, A012883.

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

All substrings and reversal substrings of 373 are primes:3, 7, 37, 73, 373.

CROSSREFS

Cf. A202264 (noncomposite numbers in which all substrings and reversal substrings are noncomposite), A202265 (nonprimes in which all substrings and reversal substrings are nonprimes), A202266 (composite numbers in which all substrings and reversal substrings are composites).

Sequence in context: A048401 A160748 A117639 * A153014 A100891 A051857

Adjacent sequences:  A202260 A202261 A202262 * A202264 A202265 A202266

KEYWORD

nonn,base,fini,full

AUTHOR

Jaroslav Krizek, Dec 25 2011

STATUS

approved

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Last modified October 21 19:01 EDT 2014. Contains 248377 sequences.