A111987 - cp's OEIS frontend

A111987 Least number having n quadratic residues, or 0 if there is no number.

n	a(n)
1	1
2	2
3	5
4	6
5	0
6	10
7	13
8	14
9	17
10	19
11	25
12	22
13	0
14	26
15	29
16	31
17	0
18	34
19	37
20	38
21	41
22	43
23	128
24	46
25	0
26	0
27	53
28	78
29	0
30	58
31	61
32	62
33	135
34	67
35	0
36	71
37	73
38	74
39	0
40	79
41	0
42	82
43	0
44	86
45	89
46	384
47	0
48	94
49	97
50	0
51	101
52	103
53	125
54	106
55	109
56	121
57	113
58	0
59	0
60	118
61	0
62	122
63	205
64	127
65	0
66	131
67	0
68	134
69	137
70	139
71	0

[1, 2, 5, 6, 0, 10, 13, 14, 17, 19, 25, 22, 0, 26, 29, 31, 0, 34, 37, 38, 41, 43, 128, 46, 0, 0, 53, 78, 0, 58, 61, 62, 135, 67, 0, 71, 73, 74, 0, 79, 0, 82, 0, 86, 89, 384, 0, 94, 97, 0, 101, 103, 125, 106, 109, 121, 113, 0, 0, 118, 0, 122, 205, 127, 0, 131, 0, 134, 137, 139, 0]

cp's OEIS Frontend

A111987 Least number having n quadratic residues, or 0 if there is no number.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	6
5	0
6	10
7	13
8	14
9	17
10	19
11	25
12	22
13	0
14	26
15	29
16	31
17	0
18	34
19	37
20	38
21	41
22	43
23	128
24	46
25	0
26	0
27	53
28	78
29	0
30	58
31	61
32	62
33	135
34	67
35	0
36	71
37	73
38	74
39	0
40	79
41	0
42	82
43	0
44	86
45	89
46	384
47	0
48	94
49	97
50	0
51	101
52	103
53	125
54	106
55	109
56	121
57	113
58	0
59	0
60	118
61	0
62	122
63	205
64	127
65	0
66	131
67	0
68	134
69	137
70	139
71	0

n	a(n)
1	1
2	2
3	5
4	6
5	0
6	10
7	13
8	14
9	17
10	19
11	25
12	22
13	0
14	26
15	29
16	31
17	0
18	34
19	37
20	38
21	41
22	43
23	128
24	46
25	0
26	0
27	53
28	78
29	0
30	58
31	61
32	62
33	135
34	67
35	0
36	71
37	73
38	74
39	0
40	79
41	0
42	82
43	0
44	86
45	89
46	384
47	0
48	94
49	97
50	0
51	101
52	103
53	125
54	106
55	109
56	121
57	113
58	0
59	0
60	118
61	0
62	122
63	205
64	127
65	0
66	131
67	0
68	134
69	137
70	139
71	0

n	a(n)
1	1
2	2
3	5
4	6
5	0
6	10
7	13
8	14
9	17
10	19
11	25
12	22
13	0
14	26
15	29
16	31
17	0
18	34
19	37
20	38
21	41
22	43
23	128
24	46
25	0
26	0
27	53
28	78
29	0
30	58
31	61
32	62
33	135
34	67
35	0
36	71
37	73
38	74
39	0
40	79
41	0
42	82
43	0
44	86
45	89
46	384
47	0
48	94
49	97
50	0
51	101
52	103
53	125
54	106
55	109
56	121
57	113
58	0
59	0
60	118
61	0
62	122
63	205
64	127
65	0
66	131
67	0
68	134
69	137
70	139
71	0