A161333 a(n) = A161330(n)*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

Table of n, a(n) for n=0..47.

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.]

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Crossrefs

Cf. A139250, A161330, A161334, A161335.

Sequence in context: A112423 A069541 A062768 * A253770 A002688 A362803

Adjacent sequences: A161330 A161331 A161332 * A161334 A161335 A161336

Keyword

nonn

Author

Omar E. Pol, Jun 09 2009

Extensions

More terms from Jinyuan Wang, Mar 14 2020

Status

approved