A263977 - cp's OEIS frontend

A263977 Integers k > 0 such that k^2 + p^2 is prime for some prime p.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	13
12	14
13	15
14	16
15	17
16	18
17	20
18	22
19	24
20	26
21	27
22	28
23	30
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	42
33	44
34	45
35	46
36	47
37	48
38	50
39	52
40	54
41	56
42	57
43	58
44	60
45	62
46	64
47	65
48	66
49	67
50	68
51	70
52	72
53	73
54	74
55	76
56	78
57	80
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	92
66	94
67	95
68	96
69	97
70	98
71	100
72	102
73	103
74	104
75	106
76	108
77	110
78	112
79	114
80	115
81	116
82	117
83	118
84	120
85	122
86	124
87	125
88	126

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24, 26, 27, 28, 30, 32, 33, 34, 35, 36, 37, 38, 40, 42, 44, 45, 46, 47, 48, 50, 52, 54, 56, 57, 58, 60, 62, 64, 65, 66, 67, 68, 70, 72, 73, 74, 76, 78, 80, 82, 84, 85, 86, 87, 88, 90, 92, 94, 95, 96, 97, 98, 100, 102, 103, 104, 106, 108, 110, 112, 114, 115, 116, 117, 118, 120, 122, 124, 125, 126]

cp's OEIS Frontend

A263977 Integers k > 0 such that k^2 + p^2 is prime for some prime p.

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	10
10	12
11	13
12	14
13	15
14	16
15	17
16	18
17	20
18	22
19	24
20	26
21	27
22	28
23	30
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	42
33	44
34	45
35	46
36	47
37	48
38	50
39	52
40	54
41	56
42	57
43	58
44	60
45	62
46	64
47	65
48	66
49	67
50	68
51	70
52	72
53	73
54	74
55	76
56	78
57	80
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	92
66	94
67	95
68	96
69	97
70	98
71	100
72	102
73	103
74	104
75	106
76	108
77	110
78	112
79	114
80	115
81	116
82	117
83	118
84	120
85	122
86	124
87	125
88	126

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	13
12	14
13	15
14	16
15	17
16	18
17	20
18	22
19	24
20	26
21	27
22	28
23	30
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	42
33	44
34	45
35	46
36	47
37	48
38	50
39	52
40	54
41	56
42	57
43	58
44	60
45	62
46	64
47	65
48	66
49	67
50	68
51	70
52	72
53	73
54	74
55	76
56	78
57	80
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	92
66	94
67	95
68	96
69	97
70	98
71	100
72	102
73	103
74	104
75	106
76	108
77	110
78	112
79	114
80	115
81	116
82	117
83	118
84	120
85	122
86	124
87	125
88	126

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	12
11	13
12	14
13	15
14	16
15	17
16	18
17	20
18	22
19	24
20	26
21	27
22	28
23	30
24	32
25	33
26	34
27	35
28	36
29	37
30	38
31	40
32	42
33	44
34	45
35	46
36	47
37	48
38	50
39	52
40	54
41	56
42	57
43	58
44	60
45	62
46	64
47	65
48	66
49	67
50	68
51	70
52	72
53	73
54	74
55	76
56	78
57	80
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	92
66	94
67	95
68	96
69	97
70	98
71	100
72	102
73	103
74	104
75	106
76	108
77	110
78	112
79	114
80	115
81	116
82	117
83	118
84	120
85	122
86	124
87	125
88	126