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A270657
a(3n)=a(n), a(3n+1)=a(3(n+1))-a(3n), a(3n+2)=a(3n)+a(3(n+1)); a(0)=0, a(1)=1.
1
0, 1, 1, 1, 0, 2, 1, 0, 2, 1, -1, 1, 0, 2, 2, 2, -1, 3, 1, -1, 1, 0, 2, 2, 2, -1, 3, 1, -2, 0, -1, 2, 0, 1, -1, 1, 0, 2, 2, 2, 0, 4, 2, 0, 4, 2, -3, 1, -1, 4, 2, 3, -2, 4, 1, -2, 0, -1, 2, 0, 1, -1, 1, 0, 2, 2, 2, 0, 4, 2, 0, 4, 2, -3, 1, -1, 4, 2, 3, -2, 4, 1
OFFSET
0,6
COMMENTS
Maxima a(<3^n)=A029744(n).
LINKS
FORMULA
a(3n)=a(n), a(3n+1)=a(3(n+1))-a(3n), a(3n+2)=a(3n)+a(3(n+1)); a(0)=0, a(1)=1.
CROSSREFS
Sequence in context: A329308 A135486 A030187 * A270658 A117278 A215556
KEYWORD
sign,look
AUTHOR
Max Barrentine, Mar 20 2016
STATUS
approved