A038291
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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A038291: Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*1^j.
(identification, match triangle)
1 · 9, 1 · 81, 18, 1 · 729, 243, 27, 1 … row sums 1, 10, 100, 1000, 10000, 100000, …