A304108 - cp's OEIS frontend

A304108 Numbers n such that the (0,1)-polynomial encoded in binary expansion of n has at least one duplicated irreducible divisor when the factorization is done in polynomial ring GF(2)[X].

n	a(n)
1	4
2	5
3	8
4	10
5	12
6	15
7	16
8	17
9	20
10	21
11	24
12	27
13	28
14	30
15	32
16	34
17	36
18	39
19	40
20	42
21	44
22	45
23	48
24	51
25	52
26	54
27	56
28	57
29	60
30	63
31	64
32	65
33	68
34	69
35	72
36	75
37	76
38	78
39	80
40	81
41	84
42	85
43	88
44	90
45	92
46	95
47	96
48	99
49	100
50	102
51	104
52	105
53	107
54	108
55	112
56	114
57	116
58	119
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	138
69	140
70	141
71	144
72	147
73	148
74	150
75	151
76	152
77	153
78	156
79	160
80	162

[4, 5, 8, 10, 12, 15, 16, 17, 20, 21, 24, 27, 28, 30, 32, 34, 36, 39, 40, 42, 44, 45, 48, 51, 52, 54, 56, 57, 60, 63, 64, 65, 68, 69, 72, 75, 76, 78, 80, 81, 84, 85, 88, 90, 92, 95, 96, 99, 100, 102, 104, 105, 107, 108, 112, 114, 116, 119, 120, 124, 125, 126, 128, 130, 132, 135, 136, 138, 140, 141, 144, 147, 148, 150, 151, 152, 153, 156, 160, 162]

cp's OEIS Frontend

A304108 Numbers n such that the (0,1)-polynomial encoded in binary expansion of n has at least one duplicated irreducible divisor when the factorization is done in polynomial ring GF(2)[X].

Table of values

List of values

n	a(n)
1	4
2	5
3	8
4	10
5	12
6	15
7	16
8	17
9	20
10	21
11	24
12	27
13	28
14	30
15	32
16	34
17	36
18	39
19	40
20	42
21	44
22	45
23	48
24	51
25	52
26	54
27	56
28	57
29	60
30	63
31	64
32	65
33	68
34	69
35	72
36	75
37	76
38	78
39	80
40	81
41	84
42	85
43	88
44	90
45	92
46	95
47	96
48	99
49	100
50	102
51	104
52	105
53	107
54	108
55	112
56	114
57	116
58	119
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	138
69	140
70	141
71	144
72	147
73	148
74	150
75	151
76	152
77	153
78	156
79	160
80	162

n	a(n)
1	4
2	5
3	8
4	10
5	12
6	15
7	16
8	17
9	20
10	21
11	24
12	27
13	28
14	30
15	32
16	34
17	36
18	39
19	40
20	42
21	44
22	45
23	48
24	51
25	52
26	54
27	56
28	57
29	60
30	63
31	64
32	65
33	68
34	69
35	72
36	75
37	76
38	78
39	80
40	81
41	84
42	85
43	88
44	90
45	92
46	95
47	96
48	99
49	100
50	102
51	104
52	105
53	107
54	108
55	112
56	114
57	116
58	119
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	138
69	140
70	141
71	144
72	147
73	148
74	150
75	151
76	152
77	153
78	156
79	160
80	162

n	a(n)
1	4
2	5
3	8
4	10
5	12
6	15
7	16
8	17
9	20
10	21
11	24
12	27
13	28
14	30
15	32
16	34
17	36
18	39
19	40
20	42
21	44
22	45
23	48
24	51
25	52
26	54
27	56
28	57
29	60
30	63
31	64
32	65
33	68
34	69
35	72
36	75
37	76
38	78
39	80
40	81
41	84
42	85
43	88
44	90
45	92
46	95
47	96
48	99
49	100
50	102
51	104
52	105
53	107
54	108
55	112
56	114
57	116
58	119
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	138
69	140
70	141
71	144
72	147
73	148
74	150
75	151
76	152
77	153
78	156
79	160
80	162