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 A028866 Squares of primes having digits in nondecreasing order. 3
 4, 9, 25, 49, 169, 289, 1369, 4489, 6889, 11449, 27889, 113569, 134689, 146689, 344569, 2778889, 27777888889, 111113555569, 111133556689, 111333666889, 113344668889, 444444888889, 1111133355666889, 1133444466888889 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS What is the rate of growth of this sequence? LINKS Table of n, a(n) for n=1..24. MATHEMATICA Select[Prime[Range[100]]^2, IntegerDigits[#] == Sort[IntegerDigits[#]] &] (* Alonso del Arte, Jan 18 2017 *) PROG (PARI) is(n)=my(d=digits(n)); d==vecsort(d) && issquare(n, &n) && isprime(n) \\ Charles R Greathouse IV, Jun 05 2013 CROSSREFS Subsequence of A052043. Cf. A028865, A028868, A028869. Sequence in context: A357754 A133019 A326708 * A146981 A068373 A068888 Adjacent sequences: A028863 A028864 A028865 * A028867 A028868 A028869 KEYWORD nonn,base,less AUTHOR Patrick De Geest EXTENSIONS Title changed to reflect terms by Sean A. Irvine, Feb 12 2020 STATUS approved

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Last modified September 29 02:45 EDT 2023. Contains 365749 sequences. (Running on oeis4.)