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 A108725 #17 Nov 12 2019 17:38:43 %S A108725 0,2,8,12,14,20,24,30,44,48,50,54,62,72,78,90,92,98,104,110,122,128, %T A108725 132,134,140,150,162,164,168,170,174,180,188,192,194,212,218,230,234, %U A108725 240,252,258,260,272,282,288,290,294,300,308,318,320,324,332,344,348,362 %N A108725 Numbers n such that 11*n + 19 is prime. %C A108725 All terms must be even. - _Harvey P. Dale_, Jan 05 2019 %H A108725 Daniel Starodubtsev, <a href="/A108725/b108725.txt">Table of n, a(n) for n = 1..10000</a> %e A108725 If n=0, then 11*n + 19 = 19 (prime). %e A108725 If n=48, then 11*n + 19 = 547 (prime). %p A108725 a:=proc(n) if isprime(11*n+19)=true then n else fi end: seq(a(n),n=0..400); # _Emeric Deutsch_, Jul 04 2005 %t A108725 Select[Range[0,400,2],PrimeQ[ 11#+19]&] (* _Harvey P. Dale_, Jan 05 2019 *) %o A108725 (PARI) is(n)=isprime(11*n+19) \\ _Charles R Greathouse IV_, Jun 13 2017 %Y A108725 Cf. A108233. %Y A108725 Cf. A017485, A141855. %K A108725 nonn,easy %O A108725 1,2 %A A108725 _Parthasarathy Nambi_, Jun 21 2005 %E A108725 More terms from _Emeric Deutsch_, Jul 04 2005