A239318 - cp's OEIS frontend

A239318 Number of visible unit cubes, aligned with a three-dimensional Cartesian mesh, completely within the first octant of a sphere centered at the origin, ordered by increasing radius.

n	a(n)
1	1
2	3
3	6
4	6
5	7
6	10
7	12
8	12
9	15
10	15
11	18
12	18
13	21
14	22
15	25
16	25
17	28
18	30
19	30
20	33
21	33
22	36
23	39
24	39
25	39
26	42
27	42
28	43
29	43
30	46
31	49
32	49
33	52
34	52
35	54
36	57
37	57
38	60
39	63
40	66
41	66
42	66
43	66
44	69
45	69
46	72
47	72
48	73
49	76
50	79
51	79
52	82
53	82
54	82
55	82
56	87
57	90
58	93
59	93
60	93
61	93
62	96
63	96
64	99
65	99
66	102

[1, 3, 6, 6, 7, 10, 12, 12, 15, 15, 18, 18, 21, 22, 25, 25, 28, 30, 30, 33, 33, 36, 39, 39, 39, 42, 42, 43, 43, 46, 49, 49, 52, 52, 54, 57, 57, 60, 63, 66, 66, 66, 66, 69, 69, 72, 72, 73, 76, 79, 79, 82, 82, 82, 82, 87, 90, 93, 93, 93, 93, 96, 96, 99, 99, 102]

cp's OEIS Frontend

A239318 Number of visible unit cubes, aligned with a three-dimensional Cartesian mesh, completely within the first octant of a sphere centered at the origin, ordered by increasing radius.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	6
5	7
6	10
7	12
8	12
9	15
10	15
11	18
12	18
13	21
14	22
15	25
16	25
17	28
18	30
19	30
20	33
21	33
22	36
23	39
24	39
25	39
26	42
27	42
28	43
29	43
30	46
31	49
32	49
33	52
34	52
35	54
36	57
37	57
38	60
39	63
40	66
41	66
42	66
43	66
44	69
45	69
46	72
47	72
48	73
49	76
50	79
51	79
52	82
53	82
54	82
55	82
56	87
57	90
58	93
59	93
60	93
61	93
62	96
63	96
64	99
65	99
66	102

n	a(n)
1	1
2	3
3	6
4	6
5	7
6	10
7	12
8	12
9	15
10	15
11	18
12	18
13	21
14	22
15	25
16	25
17	28
18	30
19	30
20	33
21	33
22	36
23	39
24	39
25	39
26	42
27	42
28	43
29	43
30	46
31	49
32	49
33	52
34	52
35	54
36	57
37	57
38	60
39	63
40	66
41	66
42	66
43	66
44	69
45	69
46	72
47	72
48	73
49	76
50	79
51	79
52	82
53	82
54	82
55	82
56	87
57	90
58	93
59	93
60	93
61	93
62	96
63	96
64	99
65	99
66	102

n	a(n)
1	1
2	3
3	6
4	6
5	7
6	10
7	12
8	12
9	15
10	15
11	18
12	18
13	21
14	22
15	25
16	25
17	28
18	30
19	30
20	33
21	33
22	36
23	39
24	39
25	39
26	42
27	42
28	43
29	43
30	46
31	49
32	49
33	52
34	52
35	54
36	57
37	57
38	60
39	63
40	66
41	66
42	66
43	66
44	69
45	69
46	72
47	72
48	73
49	76
50	79
51	79
52	82
53	82
54	82
55	82
56	87
57	90
58	93
59	93
60	93
61	93
62	96
63	96
64	99
65	99
66	102