A168880
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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A038291 → Pₙ + Pₙ₊₁
(match row sums)
10, 1 · 90, 19, 1 · 810, 261, 28, 1 … row sums 11, 110, 1100, 11000, 110000, 1100000, …