OFFSET
0,2
COMMENTS
a(n)^(1/3) = A048369(n) is the index of the first occurrence of n in sequence A269244. - M. F. Hasler, Feb 21 2016
LINKS
Giovanni Resta, Table of n, a(n) for n = 0..22
FORMULA
a(n) = A048369(n)^3. - M. F. Hasler, Feb 21 2016
MATHEMATICA
nsmall = Table[Infinity, 20];
For[i = 0, i <= 10^6, i++, n0 = Count[IntegerDigits[i^3], 4];
If[nsmall[[n0 + 1]] > i^3, nsmall[[n0 + 1]] = i^3]];
Cases[nsmall, _?NumberQ] (* Robert Price, Mar 21 2020 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Extended with a(0) = 0 by M. F. Hasler, Feb 21 2016
a(11)-a(15) from Giovanni Resta, Jun 29 2018
STATUS
approved