Search: id:A072832
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%I A072832
%S A072832 1,1,1,2,2,3,2,3,2,8,2,8,2,9,1,5,4,5,7,3,5,5,5,10,2,3,4,8,12,5,7,7,3,7,
%T A072832 20,2,3,2,7,8,9,3,10,2,15,2,3,2,10,5,2,13,9,27,7,3,5,15,2,15,2,5,7,12,
%U A072832 8,10,2,7,3,2,15,2,3,7,10,5,27,2,12,5,20,2,20,2,20,2,17,17,3,2,5,12,3
%N A072832 First differences of Ulam's sequence A002858.
%C A072832 No pattern in this sequence has ever been observed, according to Finch.
%D A072832 S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 145-151.
%H A072832 Jud McCranie, <a href="b072832.txt">Table of n, a(n) for n = 1..10000</
               a>
%H A072832 Matthew M. Conroy, <a href="http://www.madandmoonly.com/doctormatt">Home 
               page</a> (listed instead of email address)
%H A072832 S. R. Finch, <a href="http://algo.inria.fr/bsolve/constant/stlrsky/stlrsky.html">
               Stolarsky-Harborth Constant</a>
%Y A072832 Cf. A002858.
%Y A072832 Sequence in context: A144910 A080330 A152872 this_sequence A080328 A031266 
               A109301
%Y A072832 Adjacent sequences: A072829 A072830 A072831 this_sequence A072833 A072834 
               A072835
%K A072832 nonn,easy
%O A072832 1,4
%A A072832 N. J. A. Sloane (njas(AT)research.att.com), Jul 25 2002
%E A072832 More terms from Matthew M. Conroy, Aug 24 2002

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