A333090 - cp's OEIS frontend

A333090 a(n) is equal to the n-th order Taylor polynomial (centered at 0) of S(x)^n evaluated at x = 1, where S(x) = (1 - x - sqrt(1 - 6x + x^2))/(2x) is the o.g.f. of the Schröder numbers A006318.

n	a(n)
0	1
1	3
2	21
3	183
4	1729
5	17003
6	171237
7	1752047
8	18130433
9	189218451
10	1987916021
11	20996253479
12	222730436161
13	2371369720827
14	25325636818629
15	271189884041183
16	2910628489408513
17	31302328583021091
18	337241582882175189
19	3639109029230457751
20	39324814984207649729

[1, 3, 21, 183, 1729, 17003, 171237, 1752047, 18130433, 189218451, 1987916021, 20996253479, 222730436161, 2371369720827, 25325636818629, 271189884041183, 2910628489408513, 31302328583021091, 337241582882175189, 3639109029230457751, 39324814984207649729]

cp's OEIS Frontend

A333090 a(n) is equal to the n-th order Taylor polynomial (centered at 0) of S(x)^n evaluated at x = 1, where S(x) = (1 - x - sqrt(1 - 6x + x^2))/(2x) is the o.g.f. of the Schröder numbers A006318.

Table of values

List of values

cp's OEIS Frontend

A333090 a(n) is equal to the n-th order Taylor polynomial (centered at 0) of S(x)^n evaluated at x = 1, where S(x) = (1 - x - sqrt(1 - 6*x + x^2))/(2*x) is the o.g.f. of the Schröder numbers A006318.

Table of values

List of values

A333090 a(n) is equal to the n-th order Taylor polynomial (centered at 0) of S(x)^n evaluated at x = 1, where S(x) = (1 - x - sqrt(1 - 6x + x^2))/(2x) is the o.g.f. of the Schröder numbers A006318.