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A284881 Difference sequence of A284878. 6
1, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 1, 0, -1, 0, 1, -1, 1, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 1, 0, -1, 0, 1, -1, 1, -1, 1, 0, -1, 0, 1, 0, -1, 0, 1, -1, 1, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 0, 1, 0, -1, 0, 1, -1, 1, -1, 1, 0, -1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

A284878 = (0,1,0,1,1,0,0,1,0,1,1,0,0,1,...), with differences (1,-1,1,0,-1,0,1,-1,1,0,...).

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 1, 1, 01}}] &, {0}, 7]; (* A284878 *)

Differences[s] (* A284881 *)

CROSSREFS

Cf. A284878, A284882, A284883, A284884.

Sequence in context: A189166 A092079 A140074 * A090174 A165556 A127243

Adjacent sequences:  A284878 A284879 A284880 * A284882 A284883 A284884

KEYWORD

easy,sign

AUTHOR

Clark Kimberling, Apr 15 2017

STATUS

approved

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Last modified October 22 14:44 EDT 2019. Contains 328318 sequences. (Running on oeis4.)