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A082795
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Smallest multiple of n beginning with 5.
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8
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5, 50, 51, 52, 5, 54, 56, 56, 54, 50, 55, 504, 52, 56, 510, 512, 51, 54, 57, 500, 504, 506, 506, 504, 50, 52, 54, 56, 58, 510, 527, 512, 528, 510, 525, 504, 518, 532, 507, 520, 533, 504, 516, 528, 540, 506, 517, 528, 539, 50, 51, 52, 53, 54
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OFFSET
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1,1
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COMMENTS
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a(n) is in {n, 2n, 3n, 4n, 5n, 6n, 7n, 8n, 9n, 11n, 12n, 13n, 14n, 15n, 16n, 17n, 21n, 22n, 23n, 24n, 25n, 31n, 32n, 33n, 34n, 41n, 42n}. [Charles R Greathouse IV, Mar 06 2011]
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LINKS
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MATHEMATICA
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f[n_] := Block[{m = n}, While[ First@ IntegerDigits@ m != 5, m += n]; m]; Array[f, 54] (* Robert G. Wilson v *)
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PROG
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(Haskell)
a082795 n = until ((== 5) . a000030) (+ n) n
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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