login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A266535 Sums of two successive terms of A256249, with a(0) = 0. 3
0, 1, 3, 7, 11, 15, 23, 35, 43, 47, 55, 67, 83, 103, 127, 155, 171, 175, 183, 195, 211, 231, 255, 283, 315, 351, 391, 435, 483, 535, 591, 651, 683, 687, 695, 707, 723, 743, 767, 795, 827, 863, 903, 947, 995, 1047, 1103, 1163, 1227, 1295, 1367, 1443, 1523, 1607, 1695, 1787, 1883, 1983, 2087, 2195, 2307, 2423, 2543, 2667, 2731 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Also bisection of A266540.

It appears that this sequence has a fractal (or like-fractal) behavior.

First differs from both the toothpick sequence A139250 and A256265 at a(12), with which it shares infinitely many terms.

LINKS

Table of n, a(n) for n=0..64.

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Index entries for sequences related to cellular automata

MATHEMATICA

Most@ # + Rest@ # &@ Accumulate@ Join[{0, 0}, Flatten@ Table[Range[1, 2^n - 1, 2], {n, 0, 6}]] (* Michael De Vlieger, Jan 05 2016, after Ivan N. Ianakiev at A256249 *)

CROSSREFS

Cf. A006257, A139250, A256249, A256265, A266539, A266540.

Sequence in context: A151567 A139250 A256265 * A182634 A173530 A192114

Adjacent sequences:  A266532 A266533 A266534 * A266536 A266537 A266538

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jan 02 2016

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 22 05:06 EDT 2018. Contains 316432 sequences. (Running on oeis4.)