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Search: id:A134244
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A134244 Indices j such that j divides A007468(j). +0
5
1, 2, 4, 6, 8, 10, 38, 47, 86, 108, 122, 322, 345, 446, 556, 665, 756, 1122, 1476, 4838, 6274, 10556, 12383 (list; graph; listen)
OFFSET

1,2

PROGRAM

(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 (mathar(AT)strw.leidenuniv.nl), Jan 24 2008

CROSSREFS

Cf. A134245, A134246.

Sequence in context: A083490 A083498 A061513 this_sequence A073140 A081499 A117638

Adjacent sequences: A134241 A134242 A134243 this_sequence A134245 A134246 A134247

KEYWORD

easy,nonn

AUTHOR

Enoch Haga (Enokh(AT)comcast.net), Oct 15 2007, Oct 16 2007

EXTENSIONS

Better definition from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 16 2007

Entries checked by R. J. Mathar, Jan 24 2008

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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