A178699 - OEIS

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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A178699

A 2n X 2n square filled with "ON" cells becomes a period a(n) oscillator using the life-like cellular automaton B345/S4567.

1, 2, 4, 6, 8, 6, 10, 8, 30, 416, 4, 1516, 9420, 1870, 14634, 23142

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

Rule: B345/S4567

For n=4, an 8 X 8 square of ON cells stabilizes in 2 generations, becoming a period 6 oscillator, so a(4)=6.

For n=10, a 20 X 20 square of ON cells eventually stabilizes as a period 416 oscillator, so a(10)=416.

CROSSREFS

Sequence in context: A185361 A245186 A230865 * A355311 A299477 A360409

Adjacent sequences: A178696 A178697 A178698 * A178700 A178701 A178702

KEYWORD

nonn

AUTHOR

Ben Branman, Jun 05 2010

STATUS

approved