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A067007 Googolplex (mod n). +0
2
0, 0, 1, 0, 0, 4, 4, 0, 1, 0, 1, 4, 3, 4, 10, 0, 1, 10, 9, 0, 4, 12, 13, 16, 0, 16, 10, 4, 24, 10, 5, 0, 1, 18, 25, 28, 10, 28, 16, 0, 1, 4, 24, 12, 10, 36, 9, 16, 4, 0, 1, 16, 46, 10, 45, 32, 28, 24, 48, 40, 47, 36, 46, 0, 55, 34, 10, 52, 13, 60, 45, 64, 1, 10, 25, 28, 67, 16, 52, 0 (list; graph; listen)
OFFSET

1,6

COMMENT

A Googolplex is 10^(10^100). a(n) = 0 iff n = 2^a * 5^b, a, b >= 0 (A003592).

LINKS

Eric Weisstein's World of Mathematics, Googolplex

MATHEMATICA

Table[ PowerMod[10, 10^100, n], {n, 2, 50}]

CROSSREFS

Cf. A066298.

Sequence in context: A098445 A133845 A075866 this_sequence A066298 A108068 A131124

Adjacent sequences: A067004 A067005 A067006 this_sequence A067008 A067009 A067010

KEYWORD

nonn

AUTHOR

Ed Pegg Jr., Nov 20, 2002

EXTENSIONS

Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 23 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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