A173454 a(n) = A139250(n) - A173522(n).

0, 0, -1, -1, -3, -5, -3, 1, -3, -9, -7, -3, -3, 1, 17, 33, 25, 11, 13, 17, 17, 21, 37, 53, 49, 45, 61, 81, 97, 133, 197, 245, 229, 199, 201, 205, 205, 209, 225, 241, 237, 233, 249, 269, 285, 321, 385, 433, 421, 401, 417, 437, 453, 489

Offset

0,5

Links

Shawn A. Broyles, Table of n, a(n) for n = 0..10000

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, A173069, A173522.

Sequence in context: A287765 A162777 A241014 * A023505 A356489 A196997

Adjacent sequences: A173451 A173452 A173453 * A173455 A173456 A173457

Keyword

sign

Author

Omar E. Pol, May 29 2010

Extensions

Edited by Omar E. Pol, May 30 2010

More terms from R. J. Mathar, Aug 31 2010

Status

approved