A277750 - cp's OEIS frontend

A277750 Denominators of rationals R_n associated with an analog of Stern's diatomic sequence for Z[sqrt(2)].

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

[1, 1, 1, 2, 3, 1, 3, 2, 1, 3, 5, 2, 7, 5, 3, 4, 5, 1, 5, 4, 3, 5, 7, 2, 5, 3, 1, 4, 7, 3, 11, 8, 5, 7, 9, 2, 11, 9, 7, 12, 17, 5, 13, 8, 3, 7, 11, 4, 13, 9, 5, 6, 7, 1, 7, 6, 5, 9, 13, 4, 11, 7, 3, 8, 13, 5, 17, 12, 7, 9, 11, 2, 9, 7, 5, 8, 11, 3, 7, 4, 1, 5, 9, 4, 15, 11, 7, 10]

cp's OEIS Frontend

A277750 Denominators of rationals R_n associated with an analog of Stern's diatomic sequence for Z[sqrt(2)].

Table of values

List of values

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

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

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