A013618
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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A038303 → basis A007318
(match reversed triangle)
1 · 11, 1 · 121, 22, 1 · 1331, 363, 33, 1 … row sums 1, 12, 144, 1728, 20736, 248832, …
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Triangle of coefficients in expansion of (1+11x)^n.
(tail)
1, 22, 121 · 1, 33, 363, 1331 … row sums 144, 1728, 20736, 248832, 2985984, …