A110441
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.
-
A110441: Triangular array formed by the Mersenne numbers.
(identification, match triangle)
1 · 3, 1 · 7, 6, 1 · 15, 23, 9, 1 … row sums 1, 4, 14, 48, 164, 560, 1912, 6528, …
-
A110441 → reverse
(match reversed triangle)
1 · 1, 3 · 1, 6, 7 · 1, 9, 23, 15 … row sums 1, 4, 14, 48, 164, 560, 1912, 6528, …