A202263 - OEIS

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A202263

Primes in which all substrings and reversal substrings are primes.

2, 3, 5, 7, 37, 73, 373

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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: A289861 A160748 A117639 * A352023 A153014 A100891

Adjacent sequences: A202260 A202261 A202262 * A202264 A202265 A202266

KEYWORD

nonn,base,fini,full

AUTHOR

Jaroslav Krizek, Dec 25 2011

STATUS

approved