A323989 Partial alternating sums modulo 3 of the Kolakoski sequence A000002.

1, 2, 1, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 1, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 1, 0, 2, 1, 0, 1, 2, 0, 2, 1, 2, 0, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 0, 2, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 2, 0, 1, 2, 1, 0, 2

Offset

1,2

Comments

A074272 modulo 3.

Links

Table of n, a(n) for n=1..106.

Crossrefs

Cf. A000002, A074272.

Sequence in context: A046810 A328515 A356682 * A385540 A262988 A039999

Adjacent sequences: A323986 A323987 A323988 * A323990 A323991 A323992

Keyword

nonn

Author

N. J. A. Sloane, Feb 13 2019, following a suggestion from Hannibal Fortune

Status

approved