0,1

Eric M. Schmidt, Table of n, a(n) for n = 0..1000

Eric M. Schmidt, C++ code to compute this sequence

Mirek Wojtowicz, Information on many 2D cellular automata

Index entries for sequences related to cellular automata

a(1)= 5 because the L-pentomino contains 5 cells. a(2)= 5 because 5 cells are neighbors (in a Moore neighborhood) of exactly 2 of the original 5 cells. a(3)= 7 because 7 cells are neighbors of exactly 2 of the previous 5 cells.

Cf. A097981, A097995.

Sequence in context: A154583 A300916 A134125 * A033300 A134130 A078551

Adjacent sequences: A097993 A097994 A097995 * A097997 A097998 A097999

nonn

Oliver Pechenik, Sep 08 2004

Offset changed by Eric M. Schmidt, Mar 10 2013

approved