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A078291 Least nontrivial multiple of the n-th prime beginning with 7. 8
70, 72, 70, 70, 77, 78, 714, 76, 713, 725, 713, 74, 738, 731, 705, 742, 708, 732, 737, 710, 730, 711, 747, 712, 776, 707, 721, 749, 763, 791, 762, 786, 7124, 7089, 745, 755, 785, 7009, 7014, 7093, 716, 724, 764, 772, 788, 796, 7174, 7136, 7037, 7099, 7223 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
f[n_] := Block[{k = 2, m = n}, While[ IntegerDigits[k*m][[1]] != 7, k++ ]; k*m]; Table[ f[ Prime[n]], {n, 1, 55}]
CROSSREFS
Sequence in context: A265727 A166506 A345497 * A118216 A256082 A345487
KEYWORD
base,easy,nonn
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 24 00:02 EDT 2024. Contains 373661 sequences. (Running on oeis4.)