A138041
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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A249250 → basis A013609
(match row sums)
1 · 4, 6 · 10, 24, 12 · 28, 96, 96, 24 … row sums 1, 10, 46, 244, 1252, 6472, 33400, …