A155069
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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A114655 → reverse
(match row sums)
2 · 2, 4 · 2, 12, 8 · 2, 24, 48, 16 … row sums 2, 6, 22, 90, 394, 1806, 8558, 41586, …
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A114655: Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k weak ascents (1<=k<=n). A Schroeder path of length 2n is a lattice path from (0,0) to (2n,0) consisti…
(match row sums)
2 · 4, 2 · 8, 12, 2 · 16, 48, 24, 2 … row sums 2, 6, 22, 90, 394, 1806, 8558, 41586, …