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 A114011 Least multiple of prime(n) ending in digit 1. 2
 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; refs; listen; history; text; internal format)
 OFFSET 4,1 LINKS Table of n, a(n) for n=4..54. EXAMPLE a(9) = 161 == 0 (mod prime(9)=23). MATHEMATICA 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 *) CROSSREFS Cf. A114012. Sequence in context: A213217 A300505 A086981 * A300943 A270790 A300887 Adjacent sequences: A114008 A114009 A114010 * A114012 A114013 A114014 KEYWORD base,nonn AUTHOR Amarnath Murthy, Nov 12 2005 EXTENSIONS More terms from Robert G. Wilson v, Nov 17 2005 STATUS approved

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Last modified October 4 09:31 EDT 2023. Contains 365873 sequences. (Running on oeis4.)