A031233 (# 2's)-(# 3's) in first n terms of A031219.

0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 2, 2, 3, 4, 5, 4, 5, 5, 4, 4, 3, 3, 2, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 4, 4, 5, 4, 4, 5, 5, 5

Offset

1,17

Links

Table of n, a(n) for n=1..90.

Crossrefs

Sequence in context: A030385 A253553 A031250 * A030584 A030564 A205114

Adjacent sequences: A031230 A031231 A031232 * A031234 A031235 A031236

Keyword

nonn

Author

Clark Kimberling

Status

approved