A233999 - cp's OEIS frontend

A233999 Values of n such that numbers of the form x^2+n*y^2 for some integers x, y cannot have prime factor of 7 raised to an odd power.

n	a(n)
1	1
2	2
3	4
4	8
5	9
6	11
7	15
8	16
9	18
10	22
11	23
12	25
13	29
14	30
15	32
16	36
17	37
18	39
19	43
20	44
21	46
22	49
23	50
24	51
25	53
26	57
27	58
28	60
29	64
30	65
31	67
32	71
33	72
34	74
35	78
36	79
37	81
38	85
39	86
40	88
41	92
42	93
43	95
44	98
45	99
46	100
47	102
48	106
49	107
50	109
51	113
52	114
53	116
54	120
55	121
56	123
57	127
58	128
59	130
60	134
61	135
62	137
63	141
64	142
65	144
66	148
67	149

[1, 2, 4, 8, 9, 11, 15, 16, 18, 22, 23, 25, 29, 30, 32, 36, 37, 39, 43, 44, 46, 49, 50, 51, 53, 57, 58, 60, 64, 65, 67, 71, 72, 74, 78, 79, 81, 85, 86, 88, 92, 93, 95, 98, 99, 100, 102, 106, 107, 109, 113, 114, 116, 120, 121, 123, 127, 128, 130, 134, 135, 137, 141, 142, 144, 148, 149]

cp's OEIS Frontend

A233999 Values of n such that numbers of the form x^2+n*y^2 for some integers x, y cannot have prime factor of 7 raised to an odd power.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	8
5	9
6	11
7	15
8	16
9	18
10	22
11	23
12	25
13	29
14	30
15	32
16	36
17	37
18	39
19	43
20	44
21	46
22	49
23	50
24	51
25	53
26	57
27	58
28	60
29	64
30	65
31	67
32	71
33	72
34	74
35	78
36	79
37	81
38	85
39	86
40	88
41	92
42	93
43	95
44	98
45	99
46	100
47	102
48	106
49	107
50	109
51	113
52	114
53	116
54	120
55	121
56	123
57	127
58	128
59	130
60	134
61	135
62	137
63	141
64	142
65	144
66	148
67	149

n	a(n)
1	1
2	2
3	4
4	8
5	9
6	11
7	15
8	16
9	18
10	22
11	23
12	25
13	29
14	30
15	32
16	36
17	37
18	39
19	43
20	44
21	46
22	49
23	50
24	51
25	53
26	57
27	58
28	60
29	64
30	65
31	67
32	71
33	72
34	74
35	78
36	79
37	81
38	85
39	86
40	88
41	92
42	93
43	95
44	98
45	99
46	100
47	102
48	106
49	107
50	109
51	113
52	114
53	116
54	120
55	121
56	123
57	127
58	128
59	130
60	134
61	135
62	137
63	141
64	142
65	144
66	148
67	149

n	a(n)
1	1
2	2
3	4
4	8
5	9
6	11
7	15
8	16
9	18
10	22
11	23
12	25
13	29
14	30
15	32
16	36
17	37
18	39
19	43
20	44
21	46
22	49
23	50
24	51
25	53
26	57
27	58
28	60
29	64
30	65
31	67
32	71
33	72
34	74
35	78
36	79
37	81
38	85
39	86
40	88
41	92
42	93
43	95
44	98
45	99
46	100
47	102
48	106
49	107
50	109
51	113
52	114
53	116
54	120
55	121
56	123
57	127
58	128
59	130
60	134
61	135
62	137
63	141
64	142
65	144
66	148
67	149