A337822 - cp's OEIS frontend

A337822 Permutation of the natural numbers formed by numbering an infinite square grid by a counterclockwise diamond spiral and visiting them by a counterclockwise stair step spiral.

n	a(n)
1	1
2	2
3	8
4	3
5	9
6	20
7	10
8	21
9	11
10	4
11	12
12	5
13	13
14	14
15	6
16	15
17	7
18	16
19	30
20	17
21	31
22	18
23	32
24	19
25	33
26	52
27	34
28	53
29	35
30	54
31	36
32	55
33	37
34	22
35	38
36	23
37	39
38	24
39	40
40	25
41	41
42	42
43	26
44	43
45	27
46	44
47	28
48	45
49	29
50	46
51	68
52	47
53	69
54	48
55	70
56	49
57	71
58	50
59	72
60	51
61	73
62	100
63	74
64	101
65	75
66	102
67	76

[1, 2, 8, 3, 9, 20, 10, 21, 11, 4, 12, 5, 13, 14, 6, 15, 7, 16, 30, 17, 31, 18, 32, 19, 33, 52, 34, 53, 35, 54, 36, 55, 37, 22, 38, 23, 39, 24, 40, 25, 41, 42, 26, 43, 27, 44, 28, 45, 29, 46, 68, 47, 69, 48, 70, 49, 71, 50, 72, 51, 73, 100, 74, 101, 75, 102, 76]

cp's OEIS Frontend

A337822 Permutation of the natural numbers formed by numbering an infinite square grid by a counterclockwise diamond spiral and visiting them by a counterclockwise stair step spiral.

Table of values

List of values

n	a(n)
1	1
2	2
3	8
4	3
5	9
6	20
7	10
8	21
9	11
10	4
11	12
12	5
13	13
14	14
15	6
16	15
17	7
18	16
19	30
20	17
21	31
22	18
23	32
24	19
25	33
26	52
27	34
28	53
29	35
30	54
31	36
32	55
33	37
34	22
35	38
36	23
37	39
38	24
39	40
40	25
41	41
42	42
43	26
44	43
45	27
46	44
47	28
48	45
49	29
50	46
51	68
52	47
53	69
54	48
55	70
56	49
57	71
58	50
59	72
60	51
61	73
62	100
63	74
64	101
65	75
66	102
67	76

n	a(n)
1	1
2	2
3	8
4	3
5	9
6	20
7	10
8	21
9	11
10	4
11	12
12	5
13	13
14	14
15	6
16	15
17	7
18	16
19	30
20	17
21	31
22	18
23	32
24	19
25	33
26	52
27	34
28	53
29	35
30	54
31	36
32	55
33	37
34	22
35	38
36	23
37	39
38	24
39	40
40	25
41	41
42	42
43	26
44	43
45	27
46	44
47	28
48	45
49	29
50	46
51	68
52	47
53	69
54	48
55	70
56	49
57	71
58	50
59	72
60	51
61	73
62	100
63	74
64	101
65	75
66	102
67	76

n	a(n)
1	1
2	2
3	8
4	3
5	9
6	20
7	10
8	21
9	11
10	4
11	12
12	5
13	13
14	14
15	6
16	15
17	7
18	16
19	30
20	17
21	31
22	18
23	32
24	19
25	33
26	52
27	34
28	53
29	35
30	54
31	36
32	55
33	37
34	22
35	38
36	23
37	39
38	24
39	40
40	25
41	41
42	42
43	26
44	43
45	27
46	44
47	28
48	45
49	29
50	46
51	68
52	47
53	69
54	48
55	70
56	49
57	71
58	50
59	72
60	51
61	73
62	100
63	74
64	101
65	75
66	102
67	76