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A138973 8^n mod 7^n. 1
0, 1, 15, 169, 1695, 15961, 26846, 450066, 5247614, 13156907, 226316077, 680627620, 13354327932, 65310761853, 328708074010, 1951441519231, 15611532153848, 158125187800385, 101848932467045, 7328445851378156, 35829776440278962, 286638211522231696 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

PROG

(Other) sage: [power_mod(8, n, 7^n)for n in xrange(0, 22)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 28 2009]

CROSSREFS

Sequence in context: A202663 A202123 A201087 * A016177 A125427 A016279

Adjacent sequences:  A138970 A138971 A138972 * A138974 A138975 A138976

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 20 2008

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Last modified February 14 22:20 EST 2012. Contains 205677 sequences.