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A078288
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Least nontrivial multiple of the n-th prime beginning with 4.
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8
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4, 42, 40, 42, 44, 403, 408, 418, 46, 406, 403, 407, 410, 430, 423, 424, 413, 427, 402, 426, 438, 474, 415, 445, 485, 404, 412, 428, 436, 452, 4064, 4061, 411, 417, 447, 453, 471, 489, 4008, 4152, 4117, 4163, 4011, 4053, 4137, 4179, 422, 446, 454, 458, 466
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| f[n_] := Block[{k = 2, m = n}, While[ IntegerDigits[k*m][[1]] != 4, k++ ]; k*m]; Table[ f[ Prime[n]], {n, 1, 55}]
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CROSSREFS
| Cf. A078285, A078286, A078287, A078289, A078290, A078291, A078292, A078293.
Sequence in context: A006825 A022500 A076652 * A089551 A157719 A118447
Adjacent sequences: A078285 A078286 A078287 * A078289 A078290 A078291
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 26 2002
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EXTENSIONS
| Edited, corrected and extended by Robert G. Wilson (rgwv(AT)rgwv.com), Nov 29 2002
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