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 A089362 #16 Jun 21 2020 05:37:39 %S A089362 5,6,7,8,9,11,12,13,14,16,18,19,22,23,24,27,29,31,33,34,38,41,42,44, %T A089362 47,48,49,51,53,56,57,58,59,62,63,67,68,69,71,73,79,86,88,89,92,96,97, %U A089362 99,103,104,106,117,118,123,128,129,133,134,137,141,143,144,147,148,151,152,156,157,158,161,162,163,166,167,172 %N A089362 Numbers n such that n^2 - 5n + 5 is prime. %D A089362 M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988. %D A089362 Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta, UTET, CittaStudiEdizioni, Milano 1997. %F A089362 a(n) = A002328(n)+2. %o A089362 (PARI) is(n)=isprime(n^2-5*n+5) \\ _Charles R Greathouse IV_, Jun 13 2017 %Y A089362 Cf. A002328. %K A089362 easy,nonn %O A089362 1,1 %A A089362 _Giovanni Teofilatto_, Dec 27 2003 %E A089362 Corrected and extended by _Georg Fischer_, Jun 20 2020