A031284 a(n)=(# 3's)-(# 4's) in first n terms of A031269.

0, 0, 1, 1, 1, 1, 2, 2, 3, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 0, 0, 1, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, 0, -1, -1, -2, -2, -1, -1, -2, -2, -2, -1, -1, -1, -1, -1, -1, -2, -2, -1, -1, 0, 0, 0, 0, -1, -1, -1, -1, 0, 0, 1, 1, 1

Offset

1,7

Links

Table of n, a(n) for n=1..76.

Crossrefs

Sequence in context: A237768 A237705 A340673 * A064569 A370372 A145989

Adjacent sequences: A031281 A031282 A031283 * A031285 A031286 A031287

Keyword

sign

Author

Clark Kimberling

Status

approved