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First differences of A170907.
3

%I #8 Sep 23 2015 06:35:34

%S 3,4,5,7,8,9,10,12,14,14,14,17,19,19,20,22,25,25,23,28,29,29,29,32,36,

%T 35,33,36,40,40,40,42,46,46,46,49,49,48,44,56,57,56,51,57,61,60,59,62,

%U 68,68,62,67,71,70,68,71,78,78,73,74,80,82,81,82,87,87,93,84,96,87,88,96,100

%N First differences of A170907.

%C a(314) = -59 is the first negative term.

%C I wish I had a recurrence for this sequence!

%H David Applegate, <a href="/A169757/b169757.txt">Table of n, a(n) for n = 0..870</a>

%Y Cf. A170907, A169758.

%K sign,look

%O 0,1

%A _N. J. A. Sloane_, May 06 2010