A189996 - cp's OEIS frontend

A189996 Bott periodicity: the homotopy groups of the stable orthogonal group are periodic with period 8 and repeat like [2, 2, 1, 0, 1, 1, 1, 0].

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

[2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0, 2, 2, 1, 0, 1, 1, 1, 0]

cp's OEIS Frontend

A189996 Bott periodicity: the homotopy groups of the stable orthogonal group are periodic with period 8 and repeat like [2, 2, 1, 0, 1, 1, 1, 0].

Table of values

List of values

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

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

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