A170882 First differences of "corner" sequence associated with A161644 and A161645.

0, 1, 2, 4, 5, 5, 7, 11, 11, 7, 7, 13, 19, 19, 19, 25, 23, 11, 7, 13, 19, 21, 25, 37, 45, 35, 23, 31, 49, 53, 51, 59, 49, 19, 7, 13, 19, 21, 25, 37, 45, 37, 29, 41, 65, 77, 77, 89, 97, 67, 31, 31, 49, 59, 69, 97, 125, 111, 75, 79, 119, 135, 129, 135, 103, 35, 7

Offset

0,3

Links

David Applegate and N. J. A. Sloane, Table of n, a(n) for n = 0..1000

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

David Applegate, The movie version of A139250, etc. [See A161644, corner version.]

Crossrefs

Cf. A139250, A161644, A161645, A170883.

Sequence in context: A307230 A026404 A327326 * A116680 A138083 A181524

Adjacent sequences: A170879 A170880 A170881 * A170883 A170884 A170885

Keyword

nonn

Author

David Applegate and N. J. A. Sloane, Jan 08 2010

Status

approved