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A162950
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Primes whose square contains no repeated digit.
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3
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2, 3, 5, 7, 13, 17, 19, 23, 29, 31, 37, 43, 53, 59, 61, 71, 73, 79, 89, 113, 137, 179, 181, 191, 193, 199, 233, 269, 281, 311, 353, 367, 397, 463, 487, 509, 557, 571, 593, 647, 661, 677, 709, 733, 757, 797, 829, 839, 929, 1117, 1277, 1307, 1433, 1873, 1949
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OFFSET
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1,1
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COMMENTS
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Or: primes in A119509.
There are only 87 terms, the last being 21397.
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LINKS
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Nathaniel Johnston, Table of n, a(n) for n = 1..87 (full sequence)
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MATHEMATICA
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t={}; Do[p=Prime[n]; If[Max[DigitCount[p^2]]<= 1, AppendTo[t, p]], {n, 300}]; t (* Jayanta Basu, May 10 2013 *)
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PROG
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(Magma) [p: p in PrimesUpTo(21397) | #Set(d) eq #d where d is Intseq(p^2)]; // Bruno Berselli, Aug 02 2011
(PARI) is(n)=if(n<21398 && isprime(n), n=digits(n^2); #v==#vecsort(v, , 8), 0) \\ Charles R Greathouse IV, May 10 2013
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CROSSREFS
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Cf. A119509.
Sequence in context: A042990 A040169 A040165 * A259187 A040972 A040161
Adjacent sequences: A162947 A162948 A162949 * A162951 A162952 A162953
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KEYWORD
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fini,full,nonn,base,changed
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AUTHOR
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Claudio Meller, Jul 18 2009
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EXTENSIONS
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Keyword:base added by R. J. Mathar, Jul 19 2009
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STATUS
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approved
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