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A002781
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Palindromic cubes.
(Formerly M4583 N1954)
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6
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0, 1, 8, 343, 1331, 1030301, 1367631, 1003003001, 10662526601, 1000300030001, 1030607060301, 1334996994331, 1000030000300001, 1033394994933301, 1331399339931331, 1000003000003000001, 1003006007006003001, 1331039930399301331
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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REFERENCES
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G. J. Simmons, Palindromic powers, J. Rec. Math., 3 (No. 2, 1970), 93-98.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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T. D. Noe, Table of n, a(n) for n = 1..89 (from De Geest)
P. De Geest, Palindromic Cubes
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FORMULA
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a(n) = A002780(n)^3.
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CROSSREFS
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Cf. A002780.
Sequence in context: A117082 A061458 A135067 * A016875 A046244 A193225
Adjacent sequences: A002778 A002779 A002780 * 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.
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EXTENSIONS
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Thanks to Pierre Genix (Pierre.Genix(AT)wanadoo.fr) and Harvey P. Dale who pointed out that there were errors in earlier versions of this sequence.
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STATUS
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approved
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