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A136768
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n! never ends in this many 0's in base 7.
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7
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7, 15, 23, 31, 39, 47, 55, 56, 64, 72, 80, 88, 96, 104, 112, 113, 121, 129, 137, 145, 153, 161, 169, 170, 178, 186, 194, 202, 210, 218, 226, 227, 235, 243, 251, 259, 267, 275, 283, 284, 292, 300, 308, 316, 324, 332, 340, 341, 349, 357, 365, 373, 381, 389, 397
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Also: n! never ends in this many 0's in base 14, 21, 28 and all other 7-divisible proper factors of 7!
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LINKS
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Table of n, a(n) for n=1..55.
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CROSSREFS
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Cf. A000142, A136758, A136694.
Cf. A000966, A055938, A096346, A136767, A136769, A136770, A136771, A136772, A136773, A136774.
Sequence in context: A292639 A337239 A043449 * A031490 A189754 A059562
Adjacent sequences: A136765 A136766 A136767 * A136769 A136770 A136771
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KEYWORD
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base,nonn
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AUTHOR
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Carl R. White, Jan 21 2008
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STATUS
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approved
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