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A083923
Characteristic function for A057548.
3
0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
0,1
FORMULA
a(n) = 1 if A057515(n)=1 (equivalently: if A072772(n)=0), otherwise 0.
CROSSREFS
a(n) = A083924(A069770(n)). Used to compute A083925.
Sequence in context: A289741 A185276 A127266 * A352824 A101309 A141474
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 13 2003
STATUS
approved