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A162950 Primes whose square contains no repeated digit. 3
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Or: primes in A119509. There are only 87 terms, the last being 21397.

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 1..87 (full sequence)

MATHEMATICA

t={}; Do[p=Prime[n]; If[Max[DigitCount[p^2]]<= 1, AppendTo[t, p]], {n, 300}]; t   (* Jayanta Basu, May 10 2013 *)

PROG

(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

CROSSREFS

Sequence in context: A042990 A040169 A040165 * A259187 A040972 A040161

Adjacent sequences:  A162947 A162948 A162949 * A162951 A162952 A162953

KEYWORD

fini,full,nonn,base

AUTHOR

Claudio Meller, Jul 18 2009

EXTENSIONS

Keyword:base added by R. J. Mathar, Jul 19 2009

STATUS

approved

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Last modified August 15 09:12 EDT 2018. Contains 313756 sequences. (Running on oeis4.)