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 A078285 Least nontrivial multiple of the n-th prime beginning with 1. 9
 10, 12, 10, 14, 110, 104, 102, 114, 115, 116, 124, 111, 123, 129, 141, 106, 118, 122, 134, 142, 146, 158, 166, 178, 194, 1010, 1030, 1070, 1090, 1017, 1016, 1048, 1096, 1112, 1043, 1057, 1099, 1141, 1002, 1038, 1074, 1086, 1146, 1158, 1182, 1194, 1055 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 FORMULA a(n) = ceiling(10^d/prime(n))*prime(n) where prime(n) has d digits. - Robert Israel, Jul 21 2020 MAPLE g:= proc(n) ceil(10^(ilog10(n)+1)/n)*n end proc: seq(g(ithprime(n)), n=1..100); # Robert Israel, Jul 21 2020 MATHEMATICA f[n_] := Block[{k = 2, m = n}, While[ IntegerDigits[k*m][[1]] != 1, k++ ]; k*m]; Table[ f[ Prime[n]], {n, 1, 55}] CROSSREFS Cf. A078286, A078287, A078288, A078289, A078290, A078291, A078292, A078293. Sequence in context: A338290 A365197 A284229 * A303151 A103618 A308781 Adjacent sequences: A078282 A078283 A078284 * A078286 A078287 A078288 KEYWORD base,easy,nonn,look AUTHOR Amarnath Murthy, Nov 26 2002 EXTENSIONS Edited, corrected and extended by Robert G. Wilson v, Nov 29 2002 STATUS approved

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Last modified June 23 13:32 EDT 2024. Contains 373648 sequences. (Running on oeis4.)