A002058
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.
-
A145596 → D
(match row sums)
2 · 8, 6 · 20, 40, 12 · 40, 150, 120, 20 … row sums 0, 2, 14, 72, 330, 1430, 6006, 24752, …