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A102494
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Numbers in base-60 representation that cannot be written with decimal digits.
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5
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10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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REFERENCES
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Mohammad K. Azarian, Meftah al-hesab: A Summary, MJMS, Vol. 12, No. 2, Spring 2000, pp. 75-95. Mathematical Reviews, MR 1 764 526. Zentralblatt MATH, Zbl 1036.01002.
Mohammad K. Azarian, A Summary of Mathematical Works of Ghiyath ud-din Jamshid Kashani, Journal of Recreational Mathematics, Vol. 29(1), pp. 32-42, 1998.
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Sexagesimal
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EXAMPLE
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200 = 3*60^1 + 20*60^0 = '3K', therefore 200 is a term.
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MATHEMATICA
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Select[Range[100], Max[IntegerDigits[#, 60]]>9&] (* Harvey P. Dale, Dec 27 2012 *)
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CROSSREFS
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Complement of A102493; A102488, A102490, A102492.
Sequence in context: A088475 A171891 A001637 * A117884 A133506 A174140
Adjacent sequences: A102491 A102492 A102493 * A102495 A102496 A102497
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KEYWORD
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nonn,base
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AUTHOR
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Reinhard Zumkeller, Jan 12 2005
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STATUS
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approved
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