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Search: id:A028866
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A028866 Squares of primes having digits in ascending order. +0
4
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; listen)
OFFSET

1,1
COMMENT

What is the rate of growth of this sequence?

CROSSREFS

Cf. A028865, A028868, A028869.

Sequence in context: A158184 A001255 A133019 this_sequence A146981 A068373 A068888

Adjacent sequences: A028863 A028864 A028865 this_sequence A028867 A028868 A028869

KEYWORD

nonn,base,less

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified December 4 12:48 EST 2009. Contains 170310 sequences.

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