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A141653 Composites of the form n/(p(n)-p(n-1)), where p(n)=n-th prime. 0

%I #4 Mar 30 2012 18:52:27

%S 4,9,4,8,18,21,22,4,25,15,16,35,12,10,42,45,24,18,55,57,20,33,36,38,

%T 39,40,27,28,86,87,30,46,52,105,108,16,38,20,62,63,133,27,46,28,72,76,

%U 51,154,52,158,20,162,55,21,172,58,177,60,93,187,189,98,198,40,203,102,104,70,112

%N Composites of the form n/(p(n)-p(n-1)), where p(n)=n-th prime.

%C Entries may be repeated and are shown in order of increasing generator n.

%e n=8: 8/(p(8)-p(8-1))=8/(19-17)=4=a(1).

%e n=18: 18/(p(18)-p(18-1))=18/(761-59)=9=a(2).

%e n=24: 24/(p(24)-p(24-1))=24/(89-83)=4=a(3).

%e n=32: 32/(p(32)-p(32-1))=32/(131-127)=8=a(4).

%e n=36: 36/(p(36)-p(36-1))=36/(151-149)=18=a(5).

%Y Cf. A000040, A002808.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Sep 13 2008

%E Corrected and extended by _R. J. Mathar_, Sep 26 2008

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