A152455 - cp's OEIS frontend

A152455 a(n) = minimal integer m such that there exists an m X m integer matrix of order n.

n	a(n)
1	0
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	6
10	4
11	10
12	4
13	12
14	6
15	6
16	8
17	16
18	6
19	18
20	6
21	8
22	10
23	22
24	6
25	20
26	12
27	18
28	8
29	28
30	6
31	30
32	16
33	12
34	16
35	10
36	8
37	36
38	18
39	14
40	8
41	40
42	8
43	42
44	12
45	10
46	22
47	46
48	10
49	42
50	20
51	18
52	14
53	52
54	18
55	14
56	10
57	20
58	28
59	58
60	8
61	60
62	30
63	12
64	32
65	16
66	12
67	66
68	18
69	24
70	10
71	70
72	10
73	72
74	36
75	22
76	20
77	16
78	14

[0, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 4, 12, 6, 6, 8, 16, 6, 18, 6, 8, 10, 22, 6, 20, 12, 18, 8, 28, 6, 30, 16, 12, 16, 10, 8, 36, 18, 14, 8, 40, 8, 42, 12, 10, 22, 46, 10, 42, 20, 18, 14, 52, 18, 14, 10, 20, 28, 58, 8, 60, 30, 12, 32, 16, 12, 66, 18, 24, 10, 70, 10, 72, 36, 22, 20, 16, 14]

cp's OEIS Frontend

A152455 a(n) = minimal integer m such that there exists an m X m integer matrix of order n.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	6
10	4
11	10
12	4
13	12
14	6
15	6
16	8
17	16
18	6
19	18
20	6
21	8
22	10
23	22
24	6
25	20
26	12
27	18
28	8
29	28
30	6
31	30
32	16
33	12
34	16
35	10
36	8
37	36
38	18
39	14
40	8
41	40
42	8
43	42
44	12
45	10
46	22
47	46
48	10
49	42
50	20
51	18
52	14
53	52
54	18
55	14
56	10
57	20
58	28
59	58
60	8
61	60
62	30
63	12
64	32
65	16
66	12
67	66
68	18
69	24
70	10
71	70
72	10
73	72
74	36
75	22
76	20
77	16
78	14

n	a(n)
1	0
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	6
10	4
11	10
12	4
13	12
14	6
15	6
16	8
17	16
18	6
19	18
20	6
21	8
22	10
23	22
24	6
25	20
26	12
27	18
28	8
29	28
30	6
31	30
32	16
33	12
34	16
35	10
36	8
37	36
38	18
39	14
40	8
41	40
42	8
43	42
44	12
45	10
46	22
47	46
48	10
49	42
50	20
51	18
52	14
53	52
54	18
55	14
56	10
57	20
58	28
59	58
60	8
61	60
62	30
63	12
64	32
65	16
66	12
67	66
68	18
69	24
70	10
71	70
72	10
73	72
74	36
75	22
76	20
77	16
78	14

n	a(n)
1	0
2	1
3	2
4	2
5	4
6	2
7	6
8	4
9	6
10	4
11	10
12	4
13	12
14	6
15	6
16	8
17	16
18	6
19	18
20	6
21	8
22	10
23	22
24	6
25	20
26	12
27	18
28	8
29	28
30	6
31	30
32	16
33	12
34	16
35	10
36	8
37	36
38	18
39	14
40	8
41	40
42	8
43	42
44	12
45	10
46	22
47	46
48	10
49	42
50	20
51	18
52	14
53	52
54	18
55	14
56	10
57	20
58	28
59	58
60	8
61	60
62	30
63	12
64	32
65	16
66	12
67	66
68	18
69	24
70	10
71	70
72	10
73	72
74	36
75	22
76	20
77	16
78	14