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A101266
First differences of A101402.
1
1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0
OFFSET
0,1
COMMENTS
All terms are 0 or 1, see comment in A101402. - Charles R Greathouse IV, Aug 27 2014
MAPLE
A101402 := proc(n) option remember; local k; if n <=1 then n; else k := 2^ceil(log[2](n)) ; procname(k/2)+procname(n-1-k/2) ; fi; end: A101266 := proc(n) A101402(n+1)-A101402(n) ; end: seq(A101266(n), n=0..130) ; # R. J. Mathar, Aug 17 2009
MATHEMATICA
a[0] = 0; a[1] = 1; a[n_] := a[n] = Block[{p = 2^(Ceiling[ Log[2, n]] - 1)}, a[p] + a[n - 1 - p]]; t = Table[ a@n, {n, 0, 101}]; Rest@t - Most@t (* Robert G. Wilson v, Aug 17 2009 *)
CROSSREFS
Cf. A101402.
Sequence in context: A217586 A359156 A352569 * A260552 A373307 A244612
KEYWORD
easy,nonn
AUTHOR
Odimar Fabeny, Jan 23 2005
EXTENSIONS
More terms from R. J. Mathar, Aug 17 2009
STATUS
approved