A174500 - cp's OEIS frontend

A174500 Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A003500(n)) ), where A003500(n) = (2+sqrt(3))^n + (2-sqrt(3))^n.

n	a(n)
1	1
2	2
3	1
4	12
5	1
6	50
7	1
8	192
9	1
10	722
11	1
12	2700
13	1
14	10082
15	1
16	37632
17	1
18	140450
19	1
20	524172
21	1
22	1956242
23	1
24	7300800
25	1
26	27246962
27	1
28	101687052
29	1
30	379501250
31	1
32	1416317952
33	1
34	5285770562
35	1
36	19726764300
37	1
38	73621286642
39	1
40	274758382272
41	1

[1, 2, 1, 12, 1, 50, 1, 192, 1, 722, 1, 2700, 1, 10082, 1, 37632, 1, 140450, 1, 524172, 1, 1956242, 1, 7300800, 1, 27246962, 1, 101687052, 1, 379501250, 1, 1416317952, 1, 5285770562, 1, 19726764300, 1, 73621286642, 1, 274758382272, 1]

cp's OEIS Frontend

A174500 Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A003500(n)) ), where A003500(n) = (2+sqrt(3))^n + (2-sqrt(3))^n.

Table of values

List of values