A202064
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.
-
A034867: Triangle of odd-numbered terms in rows of Pascal's triangle.
(identification)
A011973 → x ↦ (1/4)x−1/41 · 2 · 3, 1 · 4, 4 … row sums 1, 2, 4, 8, 16, 32, 64, 128, …