A268378 - cp's OEIS frontend

A268378 Numbers whose prime factorization includes at least one prime factor of form 4k+3 and any prime factor of the form 4k+1 has even multiplicity.

n	a(n)
1	3
2	6
3	7
4	9
5	11
6	12
7	14
8	18
9	19
10	21
11	22
12	23
13	24
14	27
15	28
16	31
17	33
18	36
19	38
20	42
21	43
22	44
23	46
24	47
25	48
26	49
27	54
28	56
29	57
30	59
31	62
32	63
33	66
34	67
35	69
36	71
37	72
38	75
39	76
40	77
41	79
42	81
43	83
44	84
45	86
46	88
47	92
48	93
49	94
50	96
51	98
52	99
53	103
54	107
55	108
56	112
57	114
58	118
59	121
60	124
61	126
62	127
63	129
64	131
65	132
66	133
67	134
68	138
69	139
70	141
71	142
72	144
73	147
74	150

[3, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 23, 24, 27, 28, 31, 33, 36, 38, 42, 43, 44, 46, 47, 48, 49, 54, 56, 57, 59, 62, 63, 66, 67, 69, 71, 72, 75, 76, 77, 79, 81, 83, 84, 86, 88, 92, 93, 94, 96, 98, 99, 103, 107, 108, 112, 114, 118, 121, 124, 126, 127, 129, 131, 132, 133, 134, 138, 139, 141, 142, 144, 147, 150]

cp's OEIS Frontend

A268378 Numbers whose prime factorization includes at least one prime factor of form 4k+3 and any prime factor of the form 4k+1 has even multiplicity.

Table of values

List of values

n	a(n)
1	3
2	6
3	7
4	9
5	11
6	12
7	14
8	18
9	19
10	21
11	22
12	23
13	24
14	27
15	28
16	31
17	33
18	36
19	38
20	42
21	43
22	44
23	46
24	47
25	48
26	49
27	54
28	56
29	57
30	59
31	62
32	63
33	66
34	67
35	69
36	71
37	72
38	75
39	76
40	77
41	79
42	81
43	83
44	84
45	86
46	88
47	92
48	93
49	94
50	96
51	98
52	99
53	103
54	107
55	108
56	112
57	114
58	118
59	121
60	124
61	126
62	127
63	129
64	131
65	132
66	133
67	134
68	138
69	139
70	141
71	142
72	144
73	147
74	150

n	a(n)
1	3
2	6
3	7
4	9
5	11
6	12
7	14
8	18
9	19
10	21
11	22
12	23
13	24
14	27
15	28
16	31
17	33
18	36
19	38
20	42
21	43
22	44
23	46
24	47
25	48
26	49
27	54
28	56
29	57
30	59
31	62
32	63
33	66
34	67
35	69
36	71
37	72
38	75
39	76
40	77
41	79
42	81
43	83
44	84
45	86
46	88
47	92
48	93
49	94
50	96
51	98
52	99
53	103
54	107
55	108
56	112
57	114
58	118
59	121
60	124
61	126
62	127
63	129
64	131
65	132
66	133
67	134
68	138
69	139
70	141
71	142
72	144
73	147
74	150

n	a(n)
1	3
2	6
3	7
4	9
5	11
6	12
7	14
8	18
9	19
10	21
11	22
12	23
13	24
14	27
15	28
16	31
17	33
18	36
19	38
20	42
21	43
22	44
23	46
24	47
25	48
26	49
27	54
28	56
29	57
30	59
31	62
32	63
33	66
34	67
35	69
36	71
37	72
38	75
39	76
40	77
41	79
42	81
43	83
44	84
45	86
46	88
47	92
48	93
49	94
50	96
51	98
52	99
53	103
54	107
55	108
56	112
57	114
58	118
59	121
60	124
61	126
62	127
63	129
64	131
65	132
66	133
67	134
68	138
69	139
70	141
71	142
72	144
73	147
74	150