login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160415 First differences of A160118. 6

%I

%S 1,8,4,28,4,28,12,84,4,28,12,84,12,84,36,252,4,28,12,84,12,84,36,252,

%T 12,84,36,252,36,252,108,756,4,28,12,84,12,84,36,252,12,84,36,252,36,

%U 252,108,756

%N First differences of A160118.

%C Number of cells turned "ON" at n-th stage of the cellular automaton of A160118.

%H <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>

%e From _Omar E. Pol_, Mar 21 2011: (Start)

%e If written as a triangle begins:

%e 1,

%e 8,

%e 4,28,

%e 4,28,12,84,

%e 4,28,12,84,12,84,36,252,

%e 4,28,12,84,12,84,36,252,12,84,36,252,36,252,108,756,

%e (End)

%Y Cf. A139251, A160118, A160411, A160413, A160417.

%K nonn

%O 1,2

%A _Omar E. Pol_, Jun 13 2009

%E More terms (a(8)-a(38)) from _Nathaniel Johnston_, Nov 14 2010

%E 21 terms corrected between a(13) and a(38), and more terms (a(39)-a(48)) from _Omar E. Pol_, Mar 21 2011

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 5 20:01 EDT 2020. Contains 335473 sequences. (Running on oeis4.)