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A161333
a(n) = A161330(n)*3.
3
0, 6, 24, 42, 60, 114, 132, 186, 240, 294, 384, 438, 528, 654, 672, 726, 780, 870, 1032, 1122, 1356, 1482, 1644, 1878, 2004, 2202, 2436, 2490, 2616, 2742, 2904, 3174, 3372, 3750, 4020, 4290, 4596, 4794, 5028, 5298, 5568, 5838, 6000, 6198, 6540, 6774, 7152, 7530
OFFSET
0,2
LINKS
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, 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.]
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jun 09 2009
EXTENSIONS
More terms from Jinyuan Wang, Mar 14 2020
STATUS
approved