A049374
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.
-
A049374: A triangle of numbers related to triangle A030527.
(identification, match triangle)
1 · 6, 1 · 42, 18, 1 · 336, 276, 36, 1 … row sums 1, 7, 61, 649, 8245, 122215, 2069425, …