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A118202 Inverse of A118201, or -1 if n does not occur in A118201. 1

%I #3 Mar 31 2012 13:21:31

%S 0,1,4,2,1715,31,3,5,16,14,12,10,8,6,476,101,99,97,23,303,7,9,11,13,

%T 15,17,52,50,48,46,44,42,40,38,36,34,32,30,28,683,681,22,20,18,24,77,

%U 699,697,703,695,693,691,689,687,1723,1725,1721,267,269,2686,67,263,19,21

%N Inverse of A118201, or -1 if n does not occur in A118201.

%C Conjecture that a(n) is never -1.

%Y Cf. A118201, A057167.

%K nonn

%O 0,3

%A _Franklin T. Adams-Watters_, Apr 14 2006

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)