A009981
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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A038331 → basis A013611
(match row sums)
289, 680, 400 · 4913, 17340, 20400, 8000 … row sums 1369, 50653, 1874161, 69343957, …