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 A134244 #21 Jan 24 2020 03:37:18
%S A134244 1,2,4,6,8,10,38,47,86,108,122,322,345,446,556,665,756,1122,1476,4838,
%T A134244 6274,10556,12383,38774,42776,46239,210215,232276,517144,1125321,
%U A134244 2561652
%N A134244 Indices k such that k divides A007468(k).
%o A134244 (PARI) { p=2 ; i=1 ; for(j=1,13000, psum=p ; for(k=2,j, p=nextprime(p+1) ; psum += p ; ) ; if(psum % j ==0, print(j) ; ) ; p=nextprime(p+1) ; ) ; } \\ _R. J. Mathar_, Jan 24 2008
%Y A134244 Cf. A134245, A134246.
%K A134244 nonn,more
%O A134244 1,2
%A A134244 _Enoch Haga_, Oct 15 2007, Oct 16 2007
%E A134244 Better definition from _R. J. Mathar_, Nov 16 2007
%E A134244 Entries checked by R. J. Mathar, Jan 24 2008
%E A134244 a(24)-a(26) from _Max Alekseyev_, Jul 29 2011
%E A134244 a(27)-a(28) from _Chai Wah Wu_, Jan 14 2020
%E A134244 a(29) from _Chai Wah Wu_, Jan 16 2020
%E A134244 a(30)-a(31) from _Giovanni Resta_, Jan 24 2020