A170885 First differences of A170884.

0, 3, 4, 8, 12, 12, 12, 16, 32, 56, 68, 40, 20, 16, 32, 56, 80, 88, 104, 152, 256, 376, 388, 164, 64, 24, 40, 56, 80, 88, 104, 152, 256, 376, 424, 296, 256, 272, 416, 552

Offset

0,2

Links

Table of n, a(n) for n=0..39.

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

Sequence in context: A050316 A161538 A319980 * A080646 A187579 A050102

Adjacent sequences: A170882 A170883 A170884 * A170886 A170887 A170888

Keyword

nonn,more

Author

David Applegate, Omar E. Pol and N. J. A. Sloane, Jan 09 2010

Extensions

More terms from Nathaniel Johnston, Nov 13 2010

Status

approved