A038208
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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A038208: Triangle whose (i,j)-th entry is binomial(i,j)*2^i.
(identification, match reversed triangle, match triangle)
1 · 2, 2 · 4, 8, 4 · 8, 24, 24, 8 … row sums 1, 4, 16, 64, 256, 1024, 4096, 16384, …