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Search: id:A114011
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| A114011 |
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Least multiple of prime(n) ending in digit 1. |
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+0
3
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| 21, 11, 91, 51, 171, 161, 261, 31, 111, 41, 301, 141, 371, 531, 61, 201, 71, 511, 711, 581, 801, 291, 101, 721, 321, 981, 791, 381, 131, 411, 1251, 1341, 151, 471, 1141, 501, 1211, 1611, 181, 191, 1351, 591, 1791, 211, 1561, 681, 2061, 1631, 2151, 241, 251
(list; graph; listen)
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OFFSET
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4,1
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EXAMPLE
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a(9) = 161 == 0 (mod prime(9)=23).
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MATHEMATICA
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f[n_] := Block[{k = 1, p = Prime[n]}, While[Mod[k*p, 10] != 1, k++ ]; k*p]; Table[ f[n], {n, 4, 54}] (* Robert G. Wilson v *)
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CROSSREFS
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Cf. A114012.
Sequence in context: A040423 A033341 A086981 this_sequence A166033 A071262 A083466
Adjacent sequences: A114008 A114009 A114010 this_sequence A114012 A114013 A114014
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 12 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Nov 17 2005
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