A360174
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.
-
A132393 → θ+1
(match triangle)
1 · 0, 2 · 0, 2, 3 · 0, 4, 9, 4 … row sums 1, 2, 5, 17, 74, 394, 2484, 18108, …