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 A323579 #27 Apr 20 2025 18:48:49
%S A323579 3,7,13,17,19,31,37,71,73,79,97,137,139,173,179,193,197,317,379,397,
%T A323579 719,739,937,971,1973,3719,3917,7193,9137,9173,9371
%N A323579 Primes formed by using the four terminal digits of multidigit primes and whose digits are distinct, i.e., consisting of only digits 1, 3, 7, 9.
%C A323579 There are only 31 terms in this sequence, which is a finite subsequence of A091633 and of A155045.
%C A323579 719 is also the third factorial prime belonging to A055490.
%H A323579 Chris K. Caldwell and G. L. Honaker, Jr., <a href="https://primes.utm.edu/curios/page.php/9371.html">9371</a>, Prime Curios!
%e A323579 1973 and 9371 are respectively the smallest and the largest primes formed with the four digits that can end multidigit primes.
%t A323579 With[{w = Select[Range@ 10, GCD[#, 10] == 1 &]}, Select[FromDigits /@ Permutations[w, Length@ w], PrimeQ]] (* _Michael De Vlieger_, Feb 03 2019 *)
%t A323579 Select[FromDigits/@Flatten[Permutations/@Subsets[{1,3,7,9}],1],PrimeQ]//Union (* _Harvey P. Dale_, Apr 20 2025 *)
%Y A323579 Subsequence of A091633 and hence of A030096.
%Y A323579 Cf. A029743 (with distinct digits), A124674 (with distinct prime digits), A155024 (with distinct nonprime digits but with 0), A155045 (with distinct odd digits), A323387 (with distinct square digits), A323391 (with distinct nonprime digits), A323578 (with distinct digits for which parity of digits alternates).
%K A323579 nonn,base,fini,full
%O A323579 1,1
%A A323579 _Bernard Schott_, Jan 24 2019