A038333
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 → basis A013609
(match reversed triangle)
1 · 7, 12 · 49, 168, 144 · 343, 1764, 3024, 1728 … row sums 1, 19, 361, 6859, 130321, 2476099, …
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Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*7^j.
(tail)
144, 168, 49 · 1728, 3024, 1764, 343 … row sums 361, 6859, 130321, 2476099, 47045881, …