A111286
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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A028326 → Pₙ + Pₙ₊₁
(match row sums)
4, 2 · 4, 6, 2 · 4, 10, 8, 2 · 4, 14, 18, 10, 2 … row sums 6, 12, 24, 48, 96, 192, 384, 768, …