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A078288
Least nontrivial multiple of the n-th prime beginning with 4.
8
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
OFFSET
1,1
MATHEMATICA
f[n_] := Block[{k = 2, m = n}, While[ IntegerDigits[k*m][[1]] != 4, k++ ]; k*m]; Table[ f[ Prime[n]], {n, 1, 55}]
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