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.
%I A385324 #21 Jun 27 2025 20:59:59
%S A385324 0,1,2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18,19,21,22,24,28,31,33,39,
%T A385324 41,42,44,48,51,55,61,66,71,77,81,82,84,88,91,93,99,111,112,113,114,
%U A385324 115,116,117,118,119,121,122,124,128,131,133,139,141,142,144,148
%N A385324 Numbers whose digits are all powers of the same single-digit base.
%H A385324 Stefano Spezia, <a href="/A385324/b385324.txt">Table of n, a(n) for n = 1..10000</a>
%F A385324 {0} U A028846 U A174813 U A276037 U A276039 U A284293.
%e A385324 84 is a term since its digits 8 and 4 are both powers of 2.
%t A385324 Select[Range[0,148],SubsetQ[{0},dig=IntegerDigits[#]]||SubsetQ[{1,2,4,8},dig]||SubsetQ[{1,3,9},dig]||SubsetQ[{1,5},dig]||SubsetQ[{1,6},dig]||SubsetQ[{1,7},dig] &]
%Y A385324 Cf. A028846, A174813, A276037, A276039, A284293.
%Y A385324 Cf. A385351 (subsequence)
%K A385324 nonn,base,easy,look
%O A385324 1,3
%A A385324 _Stefano Spezia_, Jun 25 2025