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A030384
a(n)=(# 1's)-(# 2's) in first n terms of s=A030373.
0
1, 0, 0, 1, 1, 2, 3, 4, 3, 4, 4, 3, 3, 2, 3, 2, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 3, 4, 4, 4, 5, 6, 6, 7, 8, 9, 10, 11, 10, 11, 12, 12, 13, 12, 12, 13, 12, 13, 14, 13, 12, 13, 12, 12, 13, 13, 13, 14, 14, 15, 16, 16, 15, 16, 16, 16
OFFSET
1,6
CROSSREFS
Sequence in context: A108015 A344322 A030398 * A067349 A108414 A253250
KEYWORD
nonn
STATUS
approved