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 A361346 #9 Apr 08 2023 13:19:38
%S A361346 1133,1339,1387,1519,1597,1719,1917,1969,1973,1979,2139,2177,2357,
%T A361346 2359,2577,2599,2771,2939,2959,3117,3119,3137,3149,3169,3189,3191,
%U A361346 3437,3571,3573,3589,3591,3639,3657,3731,3773,3797,3859,3917,3929,3979,3991,3999,4179,4191,4359
%N A361346 Numbers k such that A361338(k) = 7.
%o A361346 (PARI) select( {is_A361346(n)=A361338(n)==7}, [1..4444]) \\ _M. F. Hasler_, Apr 08 2023
%Y A361346 Cf. A361337-A361349.
%K A361346 nonn,base
%O A361346 1,1
%A A361346 _N. J. A. Sloane_, Apr 05 2023