A122918
identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.
-
A053122 → D+1
(match row sums)
1 · -1, 1 · -1, -2, 1 · 6, -2, -3, 1 … row sums 1, 0, -2, 2, 1, -4, 3, 2, …