A285061
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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A285061: Sheffer triangle S2[4,1] = (exp(x), exp(4*x) - 1).
(identification, match triangle)
1 · 1, 4 · 1, 24, 16 · 1, 124, 240, 64 … row sums 1, 5, 41, 429, 5329, 75989, 1215481, …