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A088634 Index of the first occurrence of n in A066888. 3

%I #18 Aug 03 2014 14:01:20

%S 1,3,2,9,17,28,30,36,41,54,74,51,65,92,100,112,118,132,108,154,158,

%T 161,172,175,210,197,215,255,248,239,236,316,297,291,340,321,330,345,

%U 334,400,406,402,423,394,445,452,509,493,507,481,526,546,561,584,565,598

%N Index of the first occurrence of n in A066888.

%C For all 0 < n < 1000, a(n) < A104272(n). - John W. Nicholson, May 22 2011

%H T. D. Noe, <a href="/A088634/b088634.txt">Table of n, a(n) for n = 0..10000</a>

%t nn=100; k=0; t=Table[0,{nn}]; cnt=0; While[cnt<nn, k++; prms=PrimePi[k(k+1)/2] - PrimePi[k(k-1)/2]; If[0<prms<=nn && t[[prms]]==0, t[[prms]]=k; cnt++]]; Join[{1},t] (* _T. D. Noe_, May 19 2011 *)

%Y Cf. A066888, A000217, A000040, A190661.

%K nonn

%O 0,2

%A _Amarnath Murthy_, Oct 26 2003

%E More terms from _David Wasserman_, Aug 16 2005

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Last modified September 1 03:07 EDT 2024. Contains 375575 sequences. (Running on oeis4.)