A002695
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.
-
A033282 → (θ+1)²
(match row sums)
1 · 1, 8 · 1, 20, 45 · 1, 36, 189, 224 … row sums 1, 9, 66, 450, 2955, 18963, 119812, …