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Search: id:A016113
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| A016113 |
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Square is a palindrome with even number of digits. |
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+0
4
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| 836, 798644, 64030648, 83163115486, 6360832925898, 69800670077028, 98275825201587, 6819209882215742, 40447213778058769, 633856150760638652, 795559265009384106, 637323988797048057098, 3823177109095314778621
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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C. Ashbacher, On palindromic squares, J. Rec. Math., 22 (No,2, 1990), 133-.
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LINKS
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K. S. Brown, On General Palindromic Numbers
P. De Geest, Palindromic Squares
P. De Geest, Subsets of Palindromic Squares
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CROSSREFS
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Cf. A027829. A proper subset of A002778.
Sequence in context: A113856 A162945 A138850 this_sequence A167603 A118380 A135639
Adjacent sequences: A016110 A016111 A016112 this_sequence A016114 A016115 A016116
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KEYWORD
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nonn,base
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com)
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EXTENSIONS
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2 new terms were recently found by Bennett from UK (communication from Patrick De Geest (pdg(AT)worldofnumbers.com)).
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