id:A112539 - OEIS Search Results

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Half-baked Thue-Morse: at successive steps the sequence or its bit-inverted form is appended to itself.

+0
1

1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`s = {1}; Do[s = Join[s, Mod[s + 1, 2]]; s = Join[s, s], {n, 4}]; s (* Robert G. Wilson v *)`
	PROGRAM	`s=[1 0]; loop s=[s s]; s=[s inv(s)] endloop`
	CROSSREFS	`Cf. A104104, A010060.` `Sequence in context: A090626 A129569 A030658 this_sequence A104104 A078588 A039983` `Adjacent sequences: A112536 A112537 A112538 this_sequence A112540 A112541 A112542`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alexandre E. Losev (alosev(AT)svr.igic.bas.bg), Dec 15 2005`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Dec 22 2005`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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