A015533
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.
-
A081578 → basis A013609
(match row sums)
1 · 2, 2 · 7, 14, 4 · 20, 60, 48, 8 … row sums 1, 4, 25, 136, 769, 4300, 24121, …