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 A270175 #6 Apr 03 2023 10:36:13 %S A270175 165,246,285,286,366,418,435,438,498,534,561,582,609,642,663,682,759, %T A270175 814,834,894,906,957,1002,1023,1034,1066,1095,1113,1131,1185,1209, %U A270175 1239,1245,1265,1311,1342,1353,1374,1398,1419,1443,1446,1479,1515,1526,1542,1545 %N A270175 Cinehps numbers: sphenic numbers whose reversal is a different sphenic number. %C A270175 A number n that is a multiple of 10 is a member if and only if n/10 is a prime whose reversal is a sphenic number (A271799). %H A270175 Chai Wah Wu, <a href="/A270175/b270175.txt">Table of n, a(n) for n = 1..10000</a> %H A270175 The Prime Pages, <a href="https://t5k.org/curios/page.php?short=165">Prime Curios!: 165</a> %Y A270175 Cf. A007304, A271799. %K A270175 nonn,base %O A270175 1,1 %A A270175 _Chai Wah Wu_, Apr 14 2016