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 A046238 #16 Aug 11 2024 14:23:45 %S A046238 0,1,8,64,512,4096,125000,1000000,8000000,40707584,325660672, %T A046238 2605285376,13858588808,110868710464,886949683712,4748408986112, %U A046238 37987271888896,303898175111168,1628455122125000,13027640977000000 %N A046238 Cubes which are palindromes in base 7. %H A046238 Patrick De Geest, <a href="https://www.worldofnumbers.com/nobase10pg4.htm">World!Of Numbers</a>, Palindromic cubes in bases 2 to 17. %F A046238 a(n) = A046237(n)^3. - _Andrew Howroyd_, Aug 10 2024 %t A046238 Select[Range[0,250000]^3,IntegerDigits[#,7]==Reverse[IntegerDigits[#,7]]&] (* _Harvey P. Dale_, Oct 11 2022 *) %Y A046238 Intersection of A029954 and A000578. %Y A046238 Cf. A046237. %K A046238 nonn,base %O A046238 1,3 %A A046238 _Patrick De Geest_, May 15 1998 %E A046238 Offset corrected by _Andrew Howroyd_, Aug 10 2024