A169706 First differences of A169705.

4, 3, 13, 3, 13, 15, 33, -1, 13, 27, 5, 31, 57, 43, 49, 31, -43, 99, -79, 51, 93, 19, 57, 47, -27, 159, -11, 103, 189, 115, 133, 11, -151, 227, -123, 111, 33, 99, -51, 67, 77, 83, 13, 135, 129, 147, 157, -49, -123, 355, -67, 51, 173, 239, 53, 75, 121, 323, 237, 171, 589, 451, 121, 7, -159

Offset

0,1

Comments

Initialized with a single black (ON) cell at stage zero. - Robert Price, May 02 2016

References

S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 170.

Links

Robert Price, Table of n, a(n) for n = 0..127

N. J. A. Sloane, On the Number of ON Cells in Cellular Automata, arXiv:1503.01168 [math.CO], 2015.

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

S. Wolfram, A New Kind of Science

Index entries for sequences related to cellular automata

Index to 2D 5-Neighbor Cellular Automata

Index to Elementary Cellular Automata

Mathematica

Total[Flatten[#]]& /@ CellularAutomaton[{494, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 65] // Differences (* Jean-François Alcover, Oct 05 2018 *)

Crossrefs

Cf. A169705.

Sequence in context: A272117 A271159 A268276 * A355933 A370924 A120340

Adjacent sequences: A169703 A169704 A169705 * A169707 A169708 A169709

Keyword

sign

Author

N. J. A. Sloane, Apr 17 2010

Status

approved