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A070483 n^3 mod 21. 0
0, 1, 8, 6, 1, 20, 6, 7, 8, 15, 13, 8, 6, 13, 14, 15, 1, 20, 15, 13, 20, 0, 1, 8, 6, 1, 20, 6, 7, 8, 15, 13, 8, 6, 13, 14, 15, 1, 20, 15, 13, 20, 0, 1, 8, 6, 1, 20, 6, 7, 8, 15, 13, 8, 6, 13, 14, 15, 1, 20, 15, 13, 20, 0, 1, 8, 6, 1, 20, 6, 7, 8, 15, 13, 8, 6, 13, 14, 15, 1, 20, 15, 13, 20 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

PROG

(Other) sage: [power_mod(n, 3, 21 )for n in xrange(0, 84)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 29 2009]

CROSSREFS

Sequence in context: A130787 A153493 A113212 * A124605 A021120 A021541

Adjacent sequences:  A070480 A070481 A070482 * A070484 A070485 A070486

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 12 2002

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Last modified February 13 15:24 EST 2012. Contains 205519 sequences.