A107903
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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A091042 → basis A013609
(match row sums)
1 · 4, 6 · 16, 40, 20 · 64, 224, 224, 56 … row sums 1, 10, 76, 568, 4240, 31648, 236224, …