A257544 - cp's OEIS frontend

A257544 Expansion of e.g.f. 1/(1 - x/(1 - (x^2/2!)/(1 - (x^3/3!)/(1 - (x^4/4!)/(1 - (x^5/5!)/(1 -... (x^n/n!)/(1 -...))))))), a continued fraction.

n	a(n)
0	1
1	1
2	2
3	9
4	48
5	330
6	2760
7	26670
8	295680
9	3686760
10	51067800
11	778239000
12	12937478400
13	232997965200
14	4518981066600
15	93905637625800
16	2081477759961600
17	49020847858382400
18	1222400311155223200
19	32175639432544608000
20	891491725439101987200
21	25935626681521134177600
22	790459388855441635730400

[1, 1, 2, 9, 48, 330, 2760, 26670, 295680, 3686760, 51067800, 778239000, 12937478400, 232997965200, 4518981066600, 93905637625800, 2081477759961600, 49020847858382400, 1222400311155223200, 32175639432544608000, 891491725439101987200, 25935626681521134177600, 790459388855441635730400]

cp's OEIS Frontend

A257544 Expansion of e.g.f. 1/(1 - x/(1 - (x^2/2!)/(1 - (x^3/3!)/(1 - (x^4/4!)/(1 - (x^5/5!)/(1 -... (x^n/n!)/(1 -...))))))), a continued fraction.

Table of values

List of values