A013613
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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A013613: Triangle of coefficients in expansion of (1+6x)^n.
(identification, match triangle)
1 · 1, 6 · 1, 12, 36 · 1, 18, 108, 216 … row sums 1, 7, 49, 343, 2401, 16807, 117649, …
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A038255: Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j).
(match reversed triangle)
1 · 6, 1 · 36, 12, 1 · 216, 108, 18, 1 … row sums 1, 7, 49, 343, 2401, 16807, 117649, …