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%I #9 Feb 24 2021 02:48:18
%S 7,12,22,22,24,44,62,42,24,44,64,68,92,148,162,82,24,44,64,68,92,148,
%T 164,108,92,152,196,228,332,456,402,162,24,44,64,68,92,148,164,108,92,
%U 152,196,228,332,456,404,188
%N First differences of A160422.
%H David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="/A000695/a000695_1.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
%H N. J. A. Sloane, <a href="/wiki/Catalog_of_Toothpick_and_CA_Sequences_in_OEIS">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a>
%Y Cf. A139250, A139251, A160420, A160421, A160422.
%K nonn
%O 1,1
%A _Omar E. Pol_, Jun 01 2009
%E More terms from _Nathaniel Johnston_, Nov 13 2010
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