A000262
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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A130534 → basis A008277
(match row sums)
1 · 2, 1 · 6, 6, 1 · 24, 36, 12, 1 … row sums 1, 3, 13, 73, 501, 4051, 37633, 394353, …
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A089231: Triangular array A066667 or A008297 unsigned and transposed.
(match row sums)
1 · 1, 2 · 1, 6, 6 · 1, 12, 36, 24 … row sums 1, 3, 13, 73, 501, 4051, 37633, 394353, …