A001075
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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chebyshev_t → x ↦ x+1
(match row sums)
1 · 1, 1 · 1, 4, 2 · 1, 9, 12, 4 … row sums 1, 2, 7, 26, 97, 362, 1351, 5042, …
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A207606 → basis A007318
(match row sums)
13, 11, 2 · 34, 44, 17, 2 · 89, 155, 93, 23, 2 … row sums 26, 97, 362, 1351, 5042, 18817, 70226, …