A336503 - cp's OEIS frontend

A336503 2-practical numbers: numbers m such that the polynomial x^m - 1 has a divisor of every degree <= m in the prime field F_2[x].

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	24
15	28
16	30
17	32
18	36
19	40
20	42
21	45
22	48
23	54
24	56
25	60
26	63
27	64
28	70
29	72
30	80
31	84
32	90
33	96
34	100
35	105
36	108
37	112
38	120
39	124
40	126
41	128
42	132
43	135
44	136
45	140
46	144
47	147
48	150
49	154
50	156
51	160
52	162
53	165
54	168
55	176
56	180
57	182
58	186
59	189
60	192

[1, 2, 3, 4, 6, 8, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 100, 105, 108, 112, 120, 124, 126, 128, 132, 135, 136, 140, 144, 147, 150, 154, 156, 160, 162, 165, 168, 176, 180, 182, 186, 189, 192]

cp's OEIS Frontend

A336503 2-practical numbers: numbers m such that the polynomial x^m - 1 has a divisor of every degree <= m in the prime field F_2[x].

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	24
15	28
16	30
17	32
18	36
19	40
20	42
21	45
22	48
23	54
24	56
25	60
26	63
27	64
28	70
29	72
30	80
31	84
32	90
33	96
34	100
35	105
36	108
37	112
38	120
39	124
40	126
41	128
42	132
43	135
44	136
45	140
46	144
47	147
48	150
49	154
50	156
51	160
52	162
53	165
54	168
55	176
56	180
57	182
58	186
59	189
60	192

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	24
15	28
16	30
17	32
18	36
19	40
20	42
21	45
22	48
23	54
24	56
25	60
26	63
27	64
28	70
29	72
30	80
31	84
32	90
33	96
34	100
35	105
36	108
37	112
38	120
39	124
40	126
41	128
42	132
43	135
44	136
45	140
46	144
47	147
48	150
49	154
50	156
51	160
52	162
53	165
54	168
55	176
56	180
57	182
58	186
59	189
60	192

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	24
15	28
16	30
17	32
18	36
19	40
20	42
21	45
22	48
23	54
24	56
25	60
26	63
27	64
28	70
29	72
30	80
31	84
32	90
33	96
34	100
35	105
36	108
37	112
38	120
39	124
40	126
41	128
42	132
43	135
44	136
45	140
46	144
47	147
48	150
49	154
50	156
51	160
52	162
53	165
54	168
55	176
56	180
57	182
58	186
59	189
60	192