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A283316 Image of 0 under repeated applications of the morphism 0 -> 0,0,0,1, 1 -> 1,1,1,0. 6
0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1
LINKS
MAPLE
with(ListTools);
psi:=proc(S)
Flatten(subs( {0=[0, 0, 0, 1], 1=[1, 1, 1, 0]}, S));
end;
S:=[0];
for n from 1 to 6 do S:=psi(S): od:
S;
MATHEMATICA
SubstitutionSystem[{0 -> {0, 0, 0, 1}, 1 -> {1, 1, 1, 0}}, {0}, 4] // Last (* Jean-François Alcover, Jan 21 2018 *)
CROSSREFS
Suggested by A283317.
Sequence in context: A144602 A275855 A268310 * A284508 A347519 A160351
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 08 2017
STATUS
approved

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Last modified February 21 12:33 EST 2024. Contains 370235 sequences. (Running on oeis4.)