A277749 - cp's OEIS frontend

A277749 Numerators of rationals R_n associated with an analog of Stern's diatomic sequence for Z[sqrt(2)].

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

[2, 1, 4, 3, 2, 3, 4, 1, 6, 5, 4, 7, 10, 3, 8, 5, 2, 5, 8, 3, 10, 7, 4, 5, 6, 1, 8, 7, 6, 11, 16, 5, 14, 9, 4, 11, 18, 7, 24, 17, 10, 13, 16, 3, 14, 11, 8, 13, 18, 5, 12, 7, 2, 7, 12, 5, 18, 13, 8, 11, 14, 3, 16, 13, 10, 17, 24, 7, 18, 11, 4, 9, 14, 5, 16, 11, 6, 7, 8, 1, 10, 9, 8, 15, 22, 7, 20, 13]

cp's OEIS Frontend

A277749 Numerators 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	2
2	1
3	4
4	3
5	2
6	3
7	4
8	1
9	6
10	5
11	4
12	7
13	10
14	3
15	8
16	5
17	2
18	5
19	8
20	3
21	10
22	7
23	4
24	5
25	6
26	1
27	8
28	7
29	6
30	11
31	16
32	5
33	14
34	9
35	4
36	11
37	18
38	7
39	24
40	17
41	10
42	13
43	16
44	3
45	14
46	11
47	8
48	13
49	18
50	5
51	12
52	7
53	2
54	7
55	12
56	5
57	18
58	13
59	8
60	11
61	14
62	3
63	16
64	13
65	10
66	17
67	24
68	7
69	18
70	11
71	4
72	9
73	14
74	5
75	16
76	11
77	6
78	7
79	8
80	1
81	10
82	9
83	8
84	15
85	22
86	7
87	20
88	13

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

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