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 A295024 #9 Nov 14 2017 03:07:13 %S A295024 729,2197,4096,4913,6859,9261,19683,21952,24389,29791,35937,39304, %T A295024 59319,68921,79507,91125,97336,110592,117649,185193,195112,205379, %U A295024 226981,287496,328509,357911,389017,438976,493039,592704,704969,729000,912673,941192,970299,1092727,1191016 %N A295024 Cubes whose largest digit is 9. %C A295024 For any term a(n), all numbers of the form a(n)*10^3k, k >= 0, are in this sequence. We could call "primitive" the terms not of this form, i.e., those without trailing '0'. %F A295024 a(n) = A294999(n)^3. %e A295024 2197 is in the sequence because it is a cube, 2197 = 13^3, and its largest digit is 9. %o A295024 (PARI) for(n=1,150, vecmax(digits(n^3))==8 &&print1(n^3,",")) %Y A295024 Cf. A294999 (the corresponding cube roots), A278936, A294663, A295025, A295021, A295022, A295023 (same for digit 3 .. 8), A295019 (same for squares). %Y A295024 Cf. A000578 (the cubes). %K A295024 nonn,base %O A295024 1,1 %A A295024 _M. F. Hasler_, Nov 13 2017