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Search: id:A099552
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| A099552 |
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a(n) is the smallest positive integer such that the concatenation of the first n terms is divisible by n. |
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+0
5
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| 1, 2, 3, 2, 5, 2, 5, 6, 1, 10, 2, 12, 5, 14, 5, 6, 8, 10, 15, 20, 7, 6, 18, 24, 25, 6, 32, 32, 3, 10, 1, 12, 41, 34, 5, 6, 8, 46, 33, 20, 34, 36, 21, 24, 30, 36, 36, 48, 23, 50, 56, 44, 34, 42, 30, 48, 9, 26, 4, 60, 44, 34, 33, 60, 65, 28, 16, 32, 66, 20, 29, 44, 78, 48, 75, 52, 9, 8, 37
(list; graph; listen)
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OFFSET
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1,2
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PROGRAM
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(PARI) num = 1; print(1); for (n = 2, 9, c = 10*num%n; d = n - c; print(d); num = 10*num + d); for (n = 10, 90, c = 10*num%n; d = n - c; if (d < 10, print(d); num = 10*num + d, c = 100*num%n; d = n - c; if (d < 10, d = d + n); print(d); num = 100*num + d));
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CROSSREFS
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Cf. A051883, A073893, A083161.
Sequence in context: A166226 A088167 A073893 this_sequence A076199 A136096 A072591
Adjacent sequences: A099549 A099550 A099551 this_sequence A099553 A099554 A099555
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KEYWORD
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base,easy,nonn
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AUTHOR
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David Wasserman (wasserma(AT)spawar.navy.mil), Oct 21 2004
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