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 A108547 #13 Sep 23 2023 03:16:10 %S A108547 2,3,5,7,17,19,41,43,461,463,26833,26839,26849,26879,26881,26891, %T A108547 26893,26903,26921,26927,616769,616783,616793,616799,616829,617039, %U A108547 617257,617471,617473,617479,617509,617587,617681,617723,618437,618439,618521 %N A108547 Fixed points for prime number permutation A108546. %C A108547 Primes p such that A108546(A049084(p)) = p. %o A108547 (PARI) default(primelimit,10^8); s = 0; print1(2, ", "); forprime (p = 3, 10^8, if (p%4 == 3, s++; if (s == 1, print1(p, ", ")), s--; if (s == 0, print1(p, ", ")))); \\ _David Wasserman_, May 19 2008 %Y A108547 Cf. A108549, A108546. %Y A108547 Cf. A007351, A051025, A096447. %K A108547 nonn %O A108547 1,1 %A A108547 _Reinhard Zumkeller_, Jun 10 2005 %E A108547 Corrected by _T. D. Noe_, Oct 25 2006 %E A108547 More terms from _David Wasserman_, May 19 2008