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A030563
a(n)=(# 1's)-(# 2's) in first n terms of A030548.
0
1, 0, 0, 0, 0, 1, 1, 2, 3, 4, 3, 4, 4, 5, 5, 6, 6, 5, 5, 4, 5, 4, 3, 2, 2, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 8, 8, 9, 10, 11
OFFSET
1,8
CROSSREFS
Sequence in context: A031232 A362024 A030583 * A081399 A221108 A205554
KEYWORD
nonn
STATUS
approved