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Search: id:A070442
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| 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16, 5, 16, 9, 4, 1, 0, 1, 4, 9, 16
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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Also, n^6 mod 20.
a(m*n)=a(m)*a(n) mod 20; a(5*n+k)=a(5*n-k) for k<=5*n; a(n+10)=a(n). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 24 2009]
Equivalently n^10 mod 20. [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 31 2009]
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PROGRAM
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(Other) sage: [power_mod(n, 10, 20)for n in xrange(0, 88)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 31 2009]
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CROSSREFS
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A010382, A070431, A008959, A070435, A070438, A070452, A159852, A000290. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 24 2009]
Sequence in context: A120866 A070443 A070643 this_sequence A086957 A096879 A070441
Adjacent sequences: A070439 A070440 A070441 this_sequence A070443 A070444 A070445
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), May 12 2002
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