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Search: id:A095243
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| A095243 |
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a(n) = concatenation of 1,2,3,...,n mod prime(n). |
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+0
3
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| 1, 0, 3, 2, 3, 8, 10, 10, 11, 25, 24, 27, 3, 36, 6, 25, 50, 58, 16, 64, 14, 40, 25, 12, 67, 74, 60, 26, 7, 11, 116, 113, 40, 90, 143, 36, 41, 156, 152, 155, 128, 118, 19, 87, 194, 92, 103, 163, 218, 118, 194, 142, 104, 238, 181, 83, 191, 107
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OFFSET
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1,3
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EXAMPLE
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The concatenation of the first 4 integers is 1234. The fourth prime is 7. Therefore a(4) = 1234 mod 7 = 2.
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MATHEMATICA
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a = {}; b = {}; For[n = 1, n < 80, n++, a = Join[a, IntegerDigits[n]]; AppendTo[b, Mod[FromDigits[a], Prime[n]]]]; b
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CROSSREFS
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Cf. A095244.
Sequence in context: A131134 A151690 A143744 this_sequence A049921 A022460 A010605
Adjacent sequences: A095240 A095241 A095242 this_sequence A095244 A095245 A095246
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KEYWORD
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base,nonn,less
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 17 2004
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EXTENSIONS
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Edited, corrected and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 23 2007
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