A174504 - cp's OEIS frontend

A174504 Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A002203(n)) ), where A002203(n) = (1+sqrt(2))^n + (1-sqrt(2))^n.

n	a(n)
0	1
1	1
2	5
3	1
4	13
5	33
6	1
7	81
8	197
9	1
10	477
11	1153
12	1
13	2785
14	6725
15	1
16	16237
17	39201
18	1
19	94641
20	228485
21	1
22	551613
23	1331713
24	1
25	3215041
26	7761797
27	1
28	18738637
29	45239073
30	1
31	109216785
32	263672645
33	1
34	636562077
35	1536796801
36	1
37	3710155681
38	8957108165
39	1

[1, 1, 5, 1, 13, 33, 1, 81, 197, 1, 477, 1153, 1, 2785, 6725, 1, 16237, 39201, 1, 94641, 228485, 1, 551613, 1331713, 1, 3215041, 7761797, 1, 18738637, 45239073, 1, 109216785, 263672645, 1, 636562077, 1536796801, 1, 3710155681, 8957108165, 1]

cp's OEIS Frontend

A174504 Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A002203(n)) ), where A002203(n) = (1+sqrt(2))^n + (1-sqrt(2))^n.

Table of values

List of values