A262442
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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A172431 → ⊙ C(n,k+1) (shift -1) → θ+1
(match row sums)
1 · 1, 2 · 1, 8, 3 · 1, 18, 30, 4 … row sums 1, 3, 12, 53, 244, 1152, 5531, 26875, …
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A172431 → ⊙ C(n,k+1) (shift -1) → D+1
(match row sums)
1 · 2, 1 · 5, 6, 1 · 10, 29, 13, 1 … row sums 1, 3, 12, 53, 244, 1152, 5531, 26875, …