A229217 - cp's OEIS frontend

A229217 If 1 and 2 represent the 2D vectors (1,0) and (0,1) and -1 and -2 are the negation of these vectors, then this sequence represents the Koch curve.

n	a(n)
1	1
2	2
3	1
4	-2
5	1
6	2
7	-1
8	2
9	1
10	2
11	1
12	2
13	1
14	-2
15	1
16	-2
17	1
18	-2
19	-1
20	-2
21	1
22	2
23	1
24	-2
25	1
26	2
27	-1
28	2
29	1
30	2
31	-1
32	-2
33	-1
34	2
35	-1
36	2
37	-1
38	2
39	1
40	2
41	1
42	2
43	1
44	-2
45	1
46	2
47	-1
48	2
49	1
50	2
51	1
52	2
53	1
54	-2
55	1
56	2
57	-1
58	2
59	1
60	2
61	1
62	2
63	1
64	-2
65	1
66	-2
67	1
68	-2
69	-1
70	-2
71	1
72	2
73	1
74	-2
75	1
76	-2
77	1
78	-2
79	-1
80	-2
81	1
82	2
83	1
84	-2
85	1
86	-2
87	1
88	-2
89	-1
90	-2
91	-1
92	-2
93	-1
94	2
95	-1
96	-2
97	1
98	-2
99	-1
100	-2
101	1
102	2
103	1
104	-2
105	1
106	2
107	-1

[1, 2, 1, -2, 1, 2, -1, 2, 1, 2, 1, 2, 1, -2, 1, -2, 1, -2, -1, -2, 1, 2, 1, -2, 1, 2, -1, 2, 1, 2, -1, -2, -1, 2, -1, 2, -1, 2, 1, 2, 1, 2, 1, -2, 1, 2, -1, 2, 1, 2, 1, 2, 1, -2, 1, 2, -1, 2, 1, 2, 1, 2, 1, -2, 1, -2, 1, -2, -1, -2, 1, 2, 1, -2, 1, -2, 1, -2, -1, -2, 1, 2, 1, -2, 1, -2, 1, -2, -1, -2, -1, -2, -1, 2, -1, -2, 1, -2, -1, -2, 1, 2, 1, -2, 1, 2, -1]

cp's OEIS Frontend

A229217 If 1 and 2 represent the 2D vectors (1,0) and (0,1) and -1 and -2 are the negation of these vectors, then this sequence represents the Koch curve.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	-2
5	1
6	2
7	-1
8	2
9	1
10	2
11	1
12	2
13	1
14	-2
15	1
16	-2
17	1
18	-2
19	-1
20	-2
21	1
22	2
23	1
24	-2
25	1
26	2
27	-1
28	2
29	1
30	2
31	-1
32	-2
33	-1
34	2
35	-1
36	2
37	-1
38	2
39	1
40	2
41	1
42	2
43	1
44	-2
45	1
46	2
47	-1
48	2
49	1
50	2
51	1
52	2
53	1
54	-2
55	1
56	2
57	-1
58	2
59	1
60	2
61	1
62	2
63	1
64	-2
65	1
66	-2
67	1
68	-2
69	-1
70	-2
71	1
72	2
73	1
74	-2
75	1
76	-2
77	1
78	-2
79	-1
80	-2
81	1
82	2
83	1
84	-2
85	1
86	-2
87	1
88	-2
89	-1
90	-2
91	-1
92	-2
93	-1
94	2
95	-1
96	-2
97	1
98	-2
99	-1
100	-2
101	1
102	2
103	1
104	-2
105	1
106	2
107	-1

n	a(n)
1	1
2	2
3	1
4	-2
5	1
6	2
7	-1
8	2
9	1
10	2
11	1
12	2
13	1
14	-2
15	1
16	-2
17	1
18	-2
19	-1
20	-2
21	1
22	2
23	1
24	-2
25	1
26	2
27	-1
28	2
29	1
30	2
31	-1
32	-2
33	-1
34	2
35	-1
36	2
37	-1
38	2
39	1
40	2
41	1
42	2
43	1
44	-2
45	1
46	2
47	-1
48	2
49	1
50	2
51	1
52	2
53	1
54	-2
55	1
56	2
57	-1
58	2
59	1
60	2
61	1
62	2
63	1
64	-2
65	1
66	-2
67	1
68	-2
69	-1
70	-2
71	1
72	2
73	1
74	-2
75	1
76	-2
77	1
78	-2
79	-1
80	-2
81	1
82	2
83	1
84	-2
85	1
86	-2
87	1
88	-2
89	-1
90	-2
91	-1
92	-2
93	-1
94	2
95	-1
96	-2
97	1
98	-2
99	-1
100	-2
101	1
102	2
103	1
104	-2
105	1
106	2
107	-1

n	a(n)
1	1
2	2
3	1
4	-2
5	1
6	2
7	-1
8	2
9	1
10	2
11	1
12	2
13	1
14	-2
15	1
16	-2
17	1
18	-2
19	-1
20	-2
21	1
22	2
23	1
24	-2
25	1
26	2
27	-1
28	2
29	1
30	2
31	-1
32	-2
33	-1
34	2
35	-1
36	2
37	-1
38	2
39	1
40	2
41	1
42	2
43	1
44	-2
45	1
46	2
47	-1
48	2
49	1
50	2
51	1
52	2
53	1
54	-2
55	1
56	2
57	-1
58	2
59	1
60	2
61	1
62	2
63	1
64	-2
65	1
66	-2
67	1
68	-2
69	-1
70	-2
71	1
72	2
73	1
74	-2
75	1
76	-2
77	1
78	-2
79	-1
80	-2
81	1
82	2
83	1
84	-2
85	1
86	-2
87	1
88	-2
89	-1
90	-2
91	-1
92	-2
93	-1
94	2
95	-1
96	-2
97	1
98	-2
99	-1
100	-2
101	1
102	2
103	1
104	-2
105	1
106	2
107	-1