A031234 (# 3's)-(# 4's) in first n terms of A031219.

0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 5, 4, 4, 3, 3, 2, 2, 1, 2, 1, 0, 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, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0

Offset

1,27

Links

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

Crossrefs

Sequence in context: A029144 A173244 A304114 * A030585 A030565 A174231

Adjacent sequences: A031231 A031232 A031233 * A031235 A031236 A031237

Keyword

nonn

Author

Clark Kimberling

Status

approved