A144699
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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A144699: Triangle of 5-Eulerian numbers.
(identification, match triangle)
1 · 1, 5 · 1, 16, 25 · 1, 39, 171, 125 … row sums 1, 6, 42, 336, 3024, 30240, 332640, …