cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A048369 a(n)^3 is smallest cube containing exactly n 4's.

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%I A048369 #19 Feb 16 2025 08:32:40
%S A048369 4,14,114,164,763,3543,17066,13464,163974,757364,3421244,6727219,
%T A048369 28902604,35685649,761777604,1350780517,2543012249,7633715304,
%U A048369 101476238101,163186746514,353823251814,5708006133707
%N A048369 a(n)^3 is smallest cube containing exactly n 4's.
%H A048369 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubicNumber.html">Cubic Number</a>
%t A048369 nsmall = Table[Infinity, 15];
%t A048369 For[i = 0, i <= 10^6, i++, n0 = Count[IntegerDigits[i^3], 4];
%t A048369   If[nsmall[[n0]] > i, nsmall[[n0]] = i]];
%t A048369 Cases[nsmall, _?NumberQ] (* _Robert Price_, Mar 20 2020 *)
%Y A048369 Cf. A036531, A048365, A048366, A048367, A048368, A048370, A048371, A048372, A048373, A048374.
%K A048369 nonn,base,more
%O A048369 1,1
%A A048369 _Patrick De Geest_, Mar 15 1999
%E A048369 a(15)-a(20) from _Lars Blomberg_, Jun 12 2011
%E A048369 a(21) from _Giovanni Resta_, Jun 29 2018
%E A048369 a(22) from _Giovanni Resta_, Mar 23 2020