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Search: id:A002781
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| A002781 |
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Palindromic cubes.
(Formerly M4583 N1954)
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+0
5
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| 1, 8, 343, 1331, 1030301, 1367631, 1003003001, 10662526601, 1000300030001, 1030607060301, 1334996994331, 1000030000300001, 1033394994933301, 1331399339931331, 1000003000003000001, 1003006007006003001, 1331039930399301331
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
G. J. Simmons, Palindromic powers, J. Rec. Math., 3 (No. 2, 1970), 93-98.
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LINKS
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P. De Geest, Palindromic Cubes
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CROSSREFS
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Cf. A002780.
Sequence in context: A117082 A061458 A135067 this_sequence A016875 A046244 A079485
Adjacent sequences: A002778 A002779 A002780 this_sequence A002782 A002783 A002784
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KEYWORD
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base,nonn,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Thanks to Pierre Genix (Pierre.Genix(AT)wanadoo.fr) and Harvey P. Dale (hpd(AT)apscompany.com) who pointed out that there were errors in earlier versions of this sequence.
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