A337115 - cp's OEIS frontend

A337115 Square spiral on a 2D square lattice, one term per cell, starting at the origin with 0; the four integers forming any 2 X 2 square add up to a square.

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	7
7	4
8	5
9	10
10	8
11	17
12	16
13	9
14	22
15	19
16	21
17	11
18	14
19	12
20	13
21	15
22	32
23	23
24	26
25	20
26	18
27	35
28	40
29	27
30	29
31	24
32	38
33	31
34	28
35	53
36	36
37	25
38	49
39	47
40	48
41	71
42	45
43	30
44	54
45	43
46	46
47	74
48	76
49	55
50	33
51	63
52	80
53	41
54	61
55	52
56	39
57	34
58	72
59	62
60	65
61	101
62	107
63	60
64	75
65	37
66	59
67	92
68	68
69	93
70	44
71	96

[0, 1, 2, 6, 3, 7, 4, 5, 10, 8, 17, 16, 9, 22, 19, 21, 11, 14, 12, 13, 15, 32, 23, 26, 20, 18, 35, 40, 27, 29, 24, 38, 31, 28, 53, 36, 25, 49, 47, 48, 71, 45, 30, 54, 43, 46, 74, 76, 55, 33, 63, 80, 41, 61, 52, 39, 34, 72, 62, 65, 101, 107, 60, 75, 37, 59, 92, 68, 93, 44, 96]

cp's OEIS Frontend

A337115 Square spiral on a 2D square lattice, one term per cell, starting at the origin with 0; the four integers forming any 2 X 2 square add up to a square.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	7
7	4
8	5
9	10
10	8
11	17
12	16
13	9
14	22
15	19
16	21
17	11
18	14
19	12
20	13
21	15
22	32
23	23
24	26
25	20
26	18
27	35
28	40
29	27
30	29
31	24
32	38
33	31
34	28
35	53
36	36
37	25
38	49
39	47
40	48
41	71
42	45
43	30
44	54
45	43
46	46
47	74
48	76
49	55
50	33
51	63
52	80
53	41
54	61
55	52
56	39
57	34
58	72
59	62
60	65
61	101
62	107
63	60
64	75
65	37
66	59
67	92
68	68
69	93
70	44
71	96

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	7
7	4
8	5
9	10
10	8
11	17
12	16
13	9
14	22
15	19
16	21
17	11
18	14
19	12
20	13
21	15
22	32
23	23
24	26
25	20
26	18
27	35
28	40
29	27
30	29
31	24
32	38
33	31
34	28
35	53
36	36
37	25
38	49
39	47
40	48
41	71
42	45
43	30
44	54
45	43
46	46
47	74
48	76
49	55
50	33
51	63
52	80
53	41
54	61
55	52
56	39
57	34
58	72
59	62
60	65
61	101
62	107
63	60
64	75
65	37
66	59
67	92
68	68
69	93
70	44
71	96

n	a(n)
1	0
2	1
3	2
4	6
5	3
6	7
7	4
8	5
9	10
10	8
11	17
12	16
13	9
14	22
15	19
16	21
17	11
18	14
19	12
20	13
21	15
22	32
23	23
24	26
25	20
26	18
27	35
28	40
29	27
30	29
31	24
32	38
33	31
34	28
35	53
36	36
37	25
38	49
39	47
40	48
41	71
42	45
43	30
44	54
45	43
46	46
47	74
48	76
49	55
50	33
51	63
52	80
53	41
54	61
55	52
56	39
57	34
58	72
59	62
60	65
61	101
62	107
63	60
64	75
65	37
66	59
67	92
68	68
69	93
70	44
71	96