A049029
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.
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A049029: Triangle read by rows, the Bell transform of the quartic factorial numbers A007696(n+1) without column 0.
(identification, match triangle)
1 · 5, 1 · 45, 15, 1 · 585, 255, 30, 1 … row sums 1, 6, 61, 871, 15996, 358891, 9509641, …