A225469
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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A225469: Triangle read by rows, S_4(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.
(identification, match triangle)
1 · 3, 1 · 9, 10, 1 · 27, 79, 21, 1 … row sums 1, 4, 20, 128, 1008, 9280, 96704, …