A011781
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.
-
A085881 → basis A007318
(match row sums)
1 · 2, 1 · 12, 12, 3 · 120, 180, 90, 15 … row sums 1, 3, 27, 405, 8505, 229635, 7577955, …
-
A290595: Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A286718 (|S1hat[3,1]| generalized Stir…
(match row sums)
1 · 1, 2 · 4, 19, 4 · 28, 222, 147, 8 … row sums 1, 3, 27, 405, 8505, 229635, 7577955, …