A000204
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.
-
A113214 → reverse
(match row sums)
1 · 1, 2 · 1, 3 · 1, 4, 2 … row sums 1, 3, 4, 7, 11, 18, 29, 47, …
-
A113214: Riordan array (1+2x,x(1+x)).
(match row sums)
1 · 2, 1 · 0, 3, 1 · 0, 2, 4, 1 … row sums 1, 3, 4, 7, 11, 18, 29, 47, …