A030563 a(n)=(# 1's)-(# 2's) in first n terms of A030548.

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

Links

Table of n, a(n) for n=1..89.

Crossrefs

Sequence in context: A031232 A362024 A030583 * A081399 A221108 A205554

Adjacent sequences: A030560 A030561 A030562 * A030564 A030565 A030566

Keyword

nonn

Author

Clark Kimberling

Status

approved