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 A167725 #16 Jun 02 2025 02:10:50
%S A167725 1,27,2197,35937,59319,1092727,1295029,1860867,2685619,4330747,
%T A167725 4826809,5000211,5929741,6128487,8869743,9393931,24137569,26198073,
%U A167725 27818127,29503629,38958219,50243409,54439939,60698457,75686967,91733851,95443993,99252847
%N A167725 Cubes that become a prime number when prefixed with a 1.
%H A167725 Bruno Berselli, <a href="/A167725/b167725.txt">Table of n, a(n) for n = 1..1000</a>
%t A167725 Select[Range[500]^3,PrimeQ[FromDigits[Join[{1},IntegerDigits[#]]]]&] (* _Harvey P. Dale_, Oct 30 2014 *)
%o A167725 (Magma) [n^3: n in [1..10^3 by 2] | IsPrime(t) where t is Seqint(Reverse([1] cat Reverse(Intseq(n^3))))]; // _Bruno Berselli_, May 24 2012
%K A167725 nonn,base
%O A167725 1,2
%A A167725 _Claudio Meller_, Nov 10 2009