A159799 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A159799

First differences of A159789.

2

0, 1, 1, 0, 1, 5, 4, 0, 1, 3, 2, 1, 7, 18, 12, 0, 1, 3, 2, 1, 7, 14, 8, 1, 5, 8, 5, 9, 32, 64, 24, 0, 1, 3, 2, 1, 7, 14, 8, 1, 5, 8, 5, 9, 32, 48, 24, 1, 5

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,6

LINKS

Table of n, a(n) for n=1..49.

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

FORMULA

a(n) = A159796(n+1)/4.

CROSSREFS

Cf. A139250, A153000, A159786, A159789, A159796.

Sequence in context: A343958 A258234 A336075 * A185579 A197134 A049470

Adjacent sequences: A159796 A159797 A159798 * A159800 A159801 A159802

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 13 2009

EXTENSIONS

More terms from Colin Barker, Apr 19 2015

STATUS

approved