A050982
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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A178822 → basis A013610
(match row sums)
1 · 12, 18 · 84, 252, 189 · 448, 2016, 3024, 1512 … row sums 1, 30, 525, 7000, 78750, 787500, …