A126937 - cp's OEIS frontend

A126937 A dragon curve is drawn on an Ulam spiral; a(n) is the integer written in the cell reached at step n.

n	a(n)
0	0
1	1
2	8
3	7
4	22
5	21
6	6
7	19
8	20
9	41
10	40
11	19
12	18
13	39
14	38
15	67
16	68
17	105
18	104
19	67
20	66
21	37
22	38
23	17
24	16
25	37
26	36
27	35
28	62
29	63
30	98
31	99
32	64
33	101
34	100
35	99
36	142
37	141
38	98
39	97
40	140
41	139
42	96
43	97
44	62
45	61
46	34
47	33
48	60
49	61
50	96
51	95
52	138
53	137
54	94
55	93
56	136
57	137
58	188
59	187
60	246
61	247
62	314
63	315
64	248

[0, 1, 8, 7, 22, 21, 6, 19, 20, 41, 40, 19, 18, 39, 38, 67, 68, 105, 104, 67, 66, 37, 38, 17, 16, 37, 36, 35, 62, 63, 98, 99, 64, 101, 100, 99, 142, 141, 98, 97, 140, 139, 96, 97, 62, 61, 34, 33, 60, 61, 96, 95, 138, 137, 94, 93, 136, 137, 188, 187, 246, 247, 314, 315, 248]

cp's OEIS Frontend

A126937 A dragon curve is drawn on an Ulam spiral; a(n) is the integer written in the cell reached at step n.

Table of values

List of values

n	a(n)
0	0
1	1
2	8
3	7
4	22
5	21
6	6
7	19
8	20
9	41
10	40
11	19
12	18
13	39
14	38
15	67
16	68
17	105
18	104
19	67
20	66
21	37
22	38
23	17
24	16
25	37
26	36
27	35
28	62
29	63
30	98
31	99
32	64
33	101
34	100
35	99
36	142
37	141
38	98
39	97
40	140
41	139
42	96
43	97
44	62
45	61
46	34
47	33
48	60
49	61
50	96
51	95
52	138
53	137
54	94
55	93
56	136
57	137
58	188
59	187
60	246
61	247
62	314
63	315
64	248

n	a(n)
0	0
1	1
2	8
3	7
4	22
5	21
6	6
7	19
8	20
9	41
10	40
11	19
12	18
13	39
14	38
15	67
16	68
17	105
18	104
19	67
20	66
21	37
22	38
23	17
24	16
25	37
26	36
27	35
28	62
29	63
30	98
31	99
32	64
33	101
34	100
35	99
36	142
37	141
38	98
39	97
40	140
41	139
42	96
43	97
44	62
45	61
46	34
47	33
48	60
49	61
50	96
51	95
52	138
53	137
54	94
55	93
56	136
57	137
58	188
59	187
60	246
61	247
62	314
63	315
64	248

n	a(n)
0	0
1	1
2	8
3	7
4	22
5	21
6	6
7	19
8	20
9	41
10	40
11	19
12	18
13	39
14	38
15	67
16	68
17	105
18	104
19	67
20	66
21	37
22	38
23	17
24	16
25	37
26	36
27	35
28	62
29	63
30	98
31	99
32	64
33	101
34	100
35	99
36	142
37	141
38	98
39	97
40	140
41	139
42	96
43	97
44	62
45	61
46	34
47	33
48	60
49	61
50	96
51	95
52	138
53	137
54	94
55	93
56	136
57	137
58	188
59	187
60	246
61	247
62	314
63	315
64	248