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A052074
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Squares of primes p^2 with the property that nextprime(p) is a substring of p^2.
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4
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OFFSET
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1,1
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LINKS
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EXAMPLE
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The corresponding primes p are 23, 83, 113, 1123, 200003, 328127, ..., the "next primes" are 29, 89, 127, 1129, 200009, 328129, ..., and these numbers are indeed substrings of 529, 6889, 12769, 1261129, 40001200009, 107667328129, ...
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MATHEMATICA
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Select[Prime[Range[37*10^6]]^2, SequenceCount[IntegerDigits[#], IntegerDigits[ NextPrime[ Sqrt[#]]]]>0&] (* The program uses the SequenceCount function from Mathematica version 10 *) (* Harvey P. Dale, Jul 13 2016 *)
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CROSSREFS
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KEYWORD
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nonn,base,more,nice
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AUTHOR
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EXTENSIONS
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a(8) from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Sep 04 2006
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STATUS
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approved
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