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A138959 8^n mod 5^n. 6
0, 3, 14, 12, 346, 1518, 12144, 65902, 370966, 1405228, 9288699, 45012717, 115961111, 439407638, 3515261104, 28122088832, 102906398156, 365487513373, 1398021200734, 14998866871497, 24623503331351, 387722889932058, 1194434486643964, 7171290102136087 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

PROG

(Other) sage: [power_mod(8, n, 5^n)for n in xrange(0, 24)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 28 2009]

CROSSREFS

Sequence in context: A090786 A127818 A155886 * A171653 A055435 A070418

Adjacent sequences:  A138956 A138957 A138958 * A138960 A138961 A138962

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 22:03 EST 2012. Contains 205668 sequences.