A127975
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.
-
A152828 → basis A007318
(match row sums)
1 · 1 · 1 · 2, 1 … row sums 1, 1, 1, 3, 3, 3, 9, 9, …