A109169 - cp's OEIS frontend

A109169 Decimal expansion of constant x such that the continued fraction expansion of 2*x (A109170) yields the continued fraction expansion of x (A109168) interleaved with positive even numbers.

n	a(n)
1	1
2	4
3	0
4	8
5	4
6	9
7	4
8	2
9	7
10	9
11	2
12	2
13	8
14	9
15	0
16	6
17	9
18	8
19	5
20	7
21	4
22	8
23	4
24	7
25	4
26	2
27	7
28	9
29	0
30	8
31	0
32	6
33	9
34	7
35	9
36	9
37	1
38	6
39	1
40	3
41	9
42	9
43	8
44	9
45	5
46	5
47	7
48	8
49	2
50	0
51	5
52	1
53	2
54	8
55	1
56	4
57	6
58	6
59	2
60	6
61	3
62	8
63	1
64	7
65	5
66	2
67	4
68	8
69	6
70	2
71	9
72	7
73	7
74	8
75	9
76	9
77	0
78	3
79	0
80	8
81	5
82	3
83	3
84	0
85	1
86	2
87	5
88	6
89	2
90	8
91	5
92	4
93	3
94	0
95	4
96	8
97	6
98	9
99	1
100	8
101	6
102	4
103	8
104	1
105	2

[1, 4, 0, 8, 4, 9, 4, 2, 7, 9, 2, 2, 8, 9, 0, 6, 9, 8, 5, 7, 4, 8, 4, 7, 4, 2, 7, 9, 0, 8, 0, 6, 9, 7, 9, 9, 1, 6, 1, 3, 9, 9, 8, 9, 5, 5, 7, 8, 2, 0, 5, 1, 2, 8, 1, 4, 6, 6, 2, 6, 3, 8, 1, 7, 5, 2, 4, 8, 6, 2, 9, 7, 7, 8, 9, 9, 0, 3, 0, 8, 5, 3, 3, 0, 1, 2, 5, 6, 2, 8, 5, 4, 3, 0, 4, 8, 6, 9, 1, 8, 6, 4, 8, 1, 2]

cp's OEIS Frontend

A109169 Decimal expansion of constant x such that the continued fraction expansion of 2*x (A109170) yields the continued fraction expansion of x (A109168) interleaved with positive even numbers.

Table of values

List of values

n	a(n)
1	1
2	4
3	0
4	8
5	4
6	9
7	4
8	2
9	7
10	9
11	2
12	2
13	8
14	9
15	0
16	6
17	9
18	8
19	5
20	7
21	4
22	8
23	4
24	7
25	4
26	2
27	7
28	9
29	0
30	8
31	0
32	6
33	9
34	7
35	9
36	9
37	1
38	6
39	1
40	3
41	9
42	9
43	8
44	9
45	5
46	5
47	7
48	8
49	2
50	0
51	5
52	1
53	2
54	8
55	1
56	4
57	6
58	6
59	2
60	6
61	3
62	8
63	1
64	7
65	5
66	2
67	4
68	8
69	6
70	2
71	9
72	7
73	7
74	8
75	9
76	9
77	0
78	3
79	0
80	8
81	5
82	3
83	3
84	0
85	1
86	2
87	5
88	6
89	2
90	8
91	5
92	4
93	3
94	0
95	4
96	8
97	6
98	9
99	1
100	8
101	6
102	4
103	8
104	1
105	2

n	a(n)
1	1
2	4
3	0
4	8
5	4
6	9
7	4
8	2
9	7
10	9
11	2
12	2
13	8
14	9
15	0
16	6
17	9
18	8
19	5
20	7
21	4
22	8
23	4
24	7
25	4
26	2
27	7
28	9
29	0
30	8
31	0
32	6
33	9
34	7
35	9
36	9
37	1
38	6
39	1
40	3
41	9
42	9
43	8
44	9
45	5
46	5
47	7
48	8
49	2
50	0
51	5
52	1
53	2
54	8
55	1
56	4
57	6
58	6
59	2
60	6
61	3
62	8
63	1
64	7
65	5
66	2
67	4
68	8
69	6
70	2
71	9
72	7
73	7
74	8
75	9
76	9
77	0
78	3
79	0
80	8
81	5
82	3
83	3
84	0
85	1
86	2
87	5
88	6
89	2
90	8
91	5
92	4
93	3
94	0
95	4
96	8
97	6
98	9
99	1
100	8
101	6
102	4
103	8
104	1
105	2

n	a(n)
1	1
2	4
3	0
4	8
5	4
6	9
7	4
8	2
9	7
10	9
11	2
12	2
13	8
14	9
15	0
16	6
17	9
18	8
19	5
20	7
21	4
22	8
23	4
24	7
25	4
26	2
27	7
28	9
29	0
30	8
31	0
32	6
33	9
34	7
35	9
36	9
37	1
38	6
39	1
40	3
41	9
42	9
43	8
44	9
45	5
46	5
47	7
48	8
49	2
50	0
51	5
52	1
53	2
54	8
55	1
56	4
57	6
58	6
59	2
60	6
61	3
62	8
63	1
64	7
65	5
66	2
67	4
68	8
69	6
70	2
71	9
72	7
73	7
74	8
75	9
76	9
77	0
78	3
79	0
80	8
81	5
82	3
83	3
84	0
85	1
86	2
87	5
88	6
89	2
90	8
91	5
92	4
93	3
94	0
95	4
96	8
97	6
98	9
99	1
100	8
101	6
102	4
103	8
104	1
105	2