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A291642
Numbers k such that 3 is the smallest decimal digit of k^3.
7
7, 15, 33, 46, 76, 77, 95, 96, 157, 167, 175, 179, 186, 197, 207, 213, 215, 326, 327, 332, 335, 353, 355, 379, 389, 427, 429, 437, 454, 457, 464, 714, 764, 775, 813, 816, 826, 859, 883, 922, 927, 942, 957, 1526, 1529, 1553, 1557, 1636, 1692, 1695, 1753, 1782
OFFSET
1,1
LINKS
EXAMPLE
33 is in the sequence because 33^3 = 35937, the smallest decimal digit of which is 3.
MAPLE
filter:= n -> min(convert(n^3, base, 10))=3:
select(filter, [$1..10000]); # Robert Israel, Aug 29 2017
PROG
(PARI) select(k->vecmin(digits(k^3))==3, vector(5000, k, k))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Colin Barker, Aug 28 2017
STATUS
approved