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A048366
a(n)^3 is smallest cube containing exactly n 1's.
11
1, 11, 58, 106, 671, 1041, 10058, 22598, 145981, 480765, 2359231, 10297461, 4836178, 100395471, 465933117, 481182258, 4810215701, 16886336471, 49303833471, 103791158471, 223818432208, 4643311948655, 4809689791471
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Cubic Number
MATHEMATICA
a[n_] := Module[{i}, i = 1; While[DigitCount[i^3][[1]] != n, i++; ]; i]; (* Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 23 2006 *)
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 1999
EXTENSIONS
a(14) from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 23 2006
a(15)-a(20) from Lars Blomberg, Jun 12 2011
a(21)-a(23) from Giovanni Resta, Jun 29 2018
STATUS
approved