A038241
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 A013611
(match reversed triangle)
1 · 11, 4 · 121, 88, 16 · 1331, 1452, 528, 64 … row sums 1, 15, 225, 3375, 50625, 759375, …