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 A215558 #31 Jan 17 2024 15:03:39 %S A215558 0,1,64,125,216,729,13824,15625,117649,132651,421875,438976,970299, %T A215558 1953125,15438249,15813251,52734375,53157376,124251499,125751501, %U A215558 242970624,244140625,420189749,423564751,669921875,997002999,1948441249,52776573751,83740234375 %N A215558 Cubes whose final digits are the cube root. %D A215558 Philip Carter & Ken Russell, Problem 31, p. 86, The Complete Book of Fun Maths, John Wiley, 2004. %F A215558 a(n) = A033819(n)^3. %e A215558 6 * 6 * 6 = 216, which has "6" as rightmost digit. %t A215558 Select[Range[0,100]^3,Mod[#,10]==Surd[#,3]||Mod[#,100]==Surd[#,3]&] (* _Harvey P. Dale_, Mar 03 2023 *) %o A215558 (PARI) apply(x->x^3,select(x -> (x^3 - x) % 10^(#digits(x)) == 0, [0..99])) \\ _David A. Corneth_, Feb 11 2020 %Y A215558 Cf. A000578, A033819. %K A215558 nonn,base,easy %O A215558 1,3 %A A215558 _Jonathan Vos Post_, Aug 16 2012