A051579
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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A161198 → basis A013609
(match row sums)
1 · 3, 4 · 15, 32, 16 · 105, 284, 240, 64 … row sums 1, 7, 63, 693, 9009, 135135, 2297295, …