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 A383640 #10 May 09 2025 10:29:53 %S A383640 56,782,5111,8089,8216,9553,11768,14357,18229,53257,64164,65137,72556, %T A383640 98442,213405,271516,830686,941976,1969394,2420681,2751442,4150015, %U A383640 5354867,7045156,9590417,9699457,10333214,13427757,21955652,31213974,32743132,35272742 %N A383640 Internal digits of k^3 include digits of k as substring, k does not end in 0. %H A383640 Shyam Sunder Gupta, <a href="/A383640/b383640.txt">Table of n, a(n) for n = 1..76</a> %H A383640 Shyam Sunder Gupta, <a href="https://doi.org/10.1007/978-981-97-2465-9_2">Elegance of Squares, Cubes, and Higher Powers</a>, Exploring the Beauty of Fascinating Numbers, Springer (2025) Ch. 2, 29-81. %e A383640 56 is in the sequence as 56^3 = 175616 contains 56 in its decimal expansion. %t A383640 Select[Range[5,10^6],Mod[#,10]>0&&SequenceCount[Rest[Drop[IntegerDigits[#^3],-1]],IntegerDigits[#]]>0&] (* _James C. McMahon_, May 09 2025 *) %Y A383640 Cf. A052210, A046837. %K A383640 nonn,base %O A383640 1,1 %A A383640 _Shyam Sunder Gupta_, May 03 2025