A045864 - cp's OEIS frontend

A045864 Number of root quadruples with entry -n for integer Apollonian circle packings.

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

[1, 1, 2, 2, 2, 3, 3, 3, 4, 3, 4, 6, 4, 5, 6, 5, 5, 7, 6, 6, 10, 7, 7, 10, 6, 7, 10, 10, 8, 10, 9, 9, 14, 9, 10, 14, 10, 11, 14, 10, 11, 18, 12, 14, 14, 13, 13, 18, 15, 11, 18, 14, 14, 19, 14, 18, 22, 15, 16, 20, 16, 17, 26, 17, 14, 26, 18, 18, 26, 18, 19, 26]

cp's OEIS Frontend

A045864 Number of root quadruples with entry -n for integer Apollonian circle packings.

Table of values

List of values

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

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

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