A225117
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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A225117: Triangle read by rows, coefficients of the generalized Eulerian polynomials A_{n, 3}(x) in descending order.
(identification, match triangle)
1 · 2, 1 · 4, 13, 1 · 8, 93, 60, 1 … row sums 1, 3, 18, 162, 1944, 29160, 524880, …