This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A194696 a(n) = 2*A194693(n). 4
 4, 4, 8, 12, 16, 16, 24, 26, 24, 20, 32, 40, 64, 40, 48, 54, 40, 20, 32, 48, 72, 82, 96, 96, 108, 68, 88, 100, 160, 96, 96, 110, 72, 20, 32, 48, 72, 82, 96, 108, 136, 124, 160, 160, 248, 190, 208, 178, 188, 88, 96, 136 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Conjecture: number of toothpicks or D-toothpicks added to the structure of A194440 at stage 2^k+n, if k tends to infinity. It appears that rows of A194441 when written as a triangle converge to this sequence. LINKS N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS EXAMPLE Written as a triangle: 4, 4, 8, 12,16, 16,24,26,24, 20,32,40,64,40,48,54,40, 20,32,48,72,82,96,96,108,68,88,100,160,96,96,110,72, 20,32,48,72,82,96,108,136,124,160,160,248,190,208,178,... CROSSREFS Cf. A152980, A194270, A194440, A194692, A194693, A194697. Sequence in context: A086663 A003829 A194697 * A302681 A002368 A299474 Adjacent sequences:  A194693 A194694 A194695 * A194697 A194698 A194699 KEYWORD nonn,more AUTHOR Omar E. Pol, Sep 03 2011 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 20 15:22 EDT 2018. Contains 316388 sequences. (Running on oeis4.)