A011968
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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A106800 → Pₙ + Pₙ₊₁
(match row sums)
2 · 2, 1 · 2, 4, 1 · 2, 9, 8, 1 … row sums 2, 3, 7, 20, 67, 255, 1080, 5017, …
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A008277 → Pₙ + Pₙ₊₁
(match row sums)
2, 1 · 2, 4, 1 · 2, 10, 7, 1 · 2, 22, 31, 11, 1 … row sums 3, 7, 20, 67, 255, 1080, 5017, 25287, …
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A008278 → Pₙ + Pₙ₊₁
(match row sums)
2, 1 · 2, 4, 1 · 2, 9, 8, 1 · 2, 16, 32, 16, 1 … row sums 3, 7, 20, 67, 255, 1080, 5017, 25287, …