A219361 - cp's OEIS frontend

A219361 Positive integers n such that the ring of integers of Q(sqrt n) is a UFD.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	25
24	27
25	28
26	29
27	31
28	32
29	33
30	36
31	37
32	38
33	41
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	52
43	53
44	54
45	56
46	57
47	59
48	61
49	62
50	63
51	64
52	67
53	68
54	69
55	71
56	72
57	73
58	75
59	76
60	77
61	80
62	81
63	83
64	84
65	86
66	88
67	89
68	92
69	93
70	94
71	96
72	97
73	98
74	99
75	100

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 31, 32, 33, 36, 37, 38, 41, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 56, 57, 59, 61, 62, 63, 64, 67, 68, 69, 71, 72, 73, 75, 76, 77, 80, 81, 83, 84, 86, 88, 89, 92, 93, 94, 96, 97, 98, 99, 100]

cp's OEIS Frontend

A219361 Positive integers n such that the ring of integers of Q(sqrt n) is a UFD.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	25
24	27
25	28
26	29
27	31
28	32
29	33
30	36
31	37
32	38
33	41
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	52
43	53
44	54
45	56
46	57
47	59
48	61
49	62
50	63
51	64
52	67
53	68
54	69
55	71
56	72
57	73
58	75
59	76
60	77
61	80
62	81
63	83
64	84
65	86
66	88
67	89
68	92
69	93
70	94
71	96
72	97
73	98
74	99
75	100

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	25
24	27
25	28
26	29
27	31
28	32
29	33
30	36
31	37
32	38
33	41
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	52
43	53
44	54
45	56
46	57
47	59
48	61
49	62
50	63
51	64
52	67
53	68
54	69
55	71
56	72
57	73
58	75
59	76
60	77
61	80
62	81
63	83
64	84
65	86
66	88
67	89
68	92
69	93
70	94
71	96
72	97
73	98
74	99
75	100

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	25
24	27
25	28
26	29
27	31
28	32
29	33
30	36
31	37
32	38
33	41
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	52
43	53
44	54
45	56
46	57
47	59
48	61
49	62
50	63
51	64
52	67
53	68
54	69
55	71
56	72
57	73
58	75
59	76
60	77
61	80
62	81
63	83
64	84
65	86
66	88
67	89
68	92
69	93
70	94
71	96
72	97
73	98
74	99
75	100