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A093892 Index of first occurrence of n in A093890, or 0 if no such number exists. 4

%I

%S 1,3,2,51,4,6,8,10,242,12,363,16,18,20,92,50,28,24,32,2514,30,1002,

%T 1434,894,36,474,678,1338,354,402,48,64,174,138,66,105,114,255,102,60,

%U 627,88,80,470,72,130,104,100,84,170,190,90,152,112,96,136,406,595,385,108

%N Index of first occurrence of n in A093890, or 0 if no such number exists.

%C Conjecture: there are infinitely many zeros in this sequence.

%F A093890[a(n)]=n. - _R. J. Mathar_, Feb 05 2007

%Y Cf. A093890, A093891.

%K nonn

%O 0,2

%A _Amarnath Murthy_, Apr 23 2004

%E Corrected by _R. J. Mathar_, Feb 05 2007

%E More terms from _David Wasserman_, Apr 23 2007

%E Obsolete comment removed by _R. J. Mathar_, Jul 22 2009

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Last modified May 18 12:53 EDT 2021. Contains 343995 sequences. (Running on oeis4.)