A134244 Indices k such that k divides A007468(k).
1, 2, 4, 6, 8, 10, 38, 47, 86, 108, 122, 322, 345, 446, 556, 665, 756, 1122, 1476, 4838, 6274, 10556, 12383, 38774, 42776, 46239, 210215, 232276, 517144, 1125321, 2561652
Offset: 1
Programs
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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
Extensions
Better definition from R. J. Mathar, Nov 16 2007
Entries checked by R. J. Mathar, Jan 24 2008
a(24)-a(26) from Max Alekseyev, Jul 29 2011
a(27)-a(28) from Chai Wah Wu, Jan 14 2020
a(29) from Chai Wah Wu, Jan 16 2020
a(30)-a(31) from Giovanni Resta, Jan 24 2020