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A014390
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Final 2 digits of 7^n.
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0
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1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7, 49, 43, 1, 7
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| 7^n mod 50. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 27 2009]
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LINKS
| Index entries for sequences related to final digits of numbers
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MATHEMATICA
| PowerMod[7, Range[0, 70], 100] (* From Harvey P. Dale, Jan 23 2012 *)
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PROG
| (Other) sage: [power_mod(7, n, 50)for n in xrange(0, 80)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 27 2009]
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CROSSREFS
| Sequence in context: A163713 A192897 A115589 * A043070 A083930 A178367
Adjacent sequences: A014387 A014388 A014389 * A014391 A014392 A014393
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KEYWORD
| nonn,changed
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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