A304107 - cp's OEIS frontend

A304107 Analog for squarefree numbers when n is factored in polynomial ring GF(2)[X], so that the binary expansion of n defines the corresponding (0,1)-polynomial. These are numbers n such that the said polynomial doesn't have any duplicated irreducible divisors.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	9
7	11
8	13
9	14
10	18
11	19
12	22
13	23
14	25
15	26
16	29
17	31
18	33
19	35
20	37
21	38
22	41
23	43
24	46
25	47
26	49
27	50
28	53
29	55
30	58
31	59
32	61
33	62
34	66
35	67
36	70
37	71
38	73
39	74
40	77
41	79
42	82
43	83
44	86
45	87
46	89
47	91
48	93
49	94
50	97
51	98
52	101
53	103
54	106
55	109
56	110
57	111
58	113
59	115
60	117
61	118
62	121
63	122
64	123
65	127
66	129
67	131
68	133
69	134
70	137
71	139
72	142
73	143
74	145
75	146
76	149
77	154
78	155
79	157
80	158
81	159
82	161

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 19, 22, 23, 25, 26, 29, 31, 33, 35, 37, 38, 41, 43, 46, 47, 49, 50, 53, 55, 58, 59, 61, 62, 66, 67, 70, 71, 73, 74, 77, 79, 82, 83, 86, 87, 89, 91, 93, 94, 97, 98, 101, 103, 106, 109, 110, 111, 113, 115, 117, 118, 121, 122, 123, 127, 129, 131, 133, 134, 137, 139, 142, 143, 145, 146, 149, 154, 155, 157, 158, 159, 161]

cp's OEIS Frontend

A304107 Analog for squarefree numbers when n is factored in polynomial ring GF(2)[X], so that the binary expansion of n defines the corresponding (0,1)-polynomial. These are numbers n such that the said polynomial doesn't have any duplicated irreducible divisors.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	9
7	11
8	13
9	14
10	18
11	19
12	22
13	23
14	25
15	26
16	29
17	31
18	33
19	35
20	37
21	38
22	41
23	43
24	46
25	47
26	49
27	50
28	53
29	55
30	58
31	59
32	61
33	62
34	66
35	67
36	70
37	71
38	73
39	74
40	77
41	79
42	82
43	83
44	86
45	87
46	89
47	91
48	93
49	94
50	97
51	98
52	101
53	103
54	106
55	109
56	110
57	111
58	113
59	115
60	117
61	118
62	121
63	122
64	123
65	127
66	129
67	131
68	133
69	134
70	137
71	139
72	142
73	143
74	145
75	146
76	149
77	154
78	155
79	157
80	158
81	159
82	161

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	9
7	11
8	13
9	14
10	18
11	19
12	22
13	23
14	25
15	26
16	29
17	31
18	33
19	35
20	37
21	38
22	41
23	43
24	46
25	47
26	49
27	50
28	53
29	55
30	58
31	59
32	61
33	62
34	66
35	67
36	70
37	71
38	73
39	74
40	77
41	79
42	82
43	83
44	86
45	87
46	89
47	91
48	93
49	94
50	97
51	98
52	101
53	103
54	106
55	109
56	110
57	111
58	113
59	115
60	117
61	118
62	121
63	122
64	123
65	127
66	129
67	131
68	133
69	134
70	137
71	139
72	142
73	143
74	145
75	146
76	149
77	154
78	155
79	157
80	158
81	159
82	161

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	9
7	11
8	13
9	14
10	18
11	19
12	22
13	23
14	25
15	26
16	29
17	31
18	33
19	35
20	37
21	38
22	41
23	43
24	46
25	47
26	49
27	50
28	53
29	55
30	58
31	59
32	61
33	62
34	66
35	67
36	70
37	71
38	73
39	74
40	77
41	79
42	82
43	83
44	86
45	87
46	89
47	91
48	93
49	94
50	97
51	98
52	101
53	103
54	106
55	109
56	110
57	111
58	113
59	115
60	117
61	118
62	121
63	122
64	123
65	127
66	129
67	131
68	133
69	134
70	137
71	139
72	142
73	143
74	145
75	146
76	149
77	154
78	155
79	157
80	158
81	159
82	161