A242552 - cp's OEIS frontend

A242552 Least number k such that n^4 + k^4 is prime.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	2
10	7
11	2
12	13
13	4
14	5
15	8
16	1
17	2
18	5
19	2
20	1
21	10
22	15
23	2
24	1
25	6
26	3
27	2
28	1
29	12
30	7
31	12
32	5
33	14
34	1
35	6
36	7
37	2
38	3
39	14
40	9
41	2
42	5
43	10
44	21
45	2
46	1
47	4
48	1
49	2
50	7
51	2
52	11
53	6
54	1
55	14
56	1
57	2
58	7
59	2
60	11
61	2
62	11
63	8
64	23
65	16
66	29
67	12
68	3
69	10
70	27
71	2
72	5
73	8
74	1
75	8
76	3
77	20
78	17
79	2
80	1
81	10
82	1
83	10

[1, 1, 2, 1, 2, 1, 2, 3, 2, 7, 2, 13, 4, 5, 8, 1, 2, 5, 2, 1, 10, 15, 2, 1, 6, 3, 2, 1, 12, 7, 12, 5, 14, 1, 6, 7, 2, 3, 14, 9, 2, 5, 10, 21, 2, 1, 4, 1, 2, 7, 2, 11, 6, 1, 14, 1, 2, 7, 2, 11, 2, 11, 8, 23, 16, 29, 12, 3, 10, 27, 2, 5, 8, 1, 8, 3, 20, 17, 2, 1, 10, 1, 10]

cp's OEIS Frontend

A242552 Least number k such that n^4 + k^4 is prime.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	2
10	7
11	2
12	13
13	4
14	5
15	8
16	1
17	2
18	5
19	2
20	1
21	10
22	15
23	2
24	1
25	6
26	3
27	2
28	1
29	12
30	7
31	12
32	5
33	14
34	1
35	6
36	7
37	2
38	3
39	14
40	9
41	2
42	5
43	10
44	21
45	2
46	1
47	4
48	1
49	2
50	7
51	2
52	11
53	6
54	1
55	14
56	1
57	2
58	7
59	2
60	11
61	2
62	11
63	8
64	23
65	16
66	29
67	12
68	3
69	10
70	27
71	2
72	5
73	8
74	1
75	8
76	3
77	20
78	17
79	2
80	1
81	10
82	1
83	10

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	2
10	7
11	2
12	13
13	4
14	5
15	8
16	1
17	2
18	5
19	2
20	1
21	10
22	15
23	2
24	1
25	6
26	3
27	2
28	1
29	12
30	7
31	12
32	5
33	14
34	1
35	6
36	7
37	2
38	3
39	14
40	9
41	2
42	5
43	10
44	21
45	2
46	1
47	4
48	1
49	2
50	7
51	2
52	11
53	6
54	1
55	14
56	1
57	2
58	7
59	2
60	11
61	2
62	11
63	8
64	23
65	16
66	29
67	12
68	3
69	10
70	27
71	2
72	5
73	8
74	1
75	8
76	3
77	20
78	17
79	2
80	1
81	10
82	1
83	10

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	2
10	7
11	2
12	13
13	4
14	5
15	8
16	1
17	2
18	5
19	2
20	1
21	10
22	15
23	2
24	1
25	6
26	3
27	2
28	1
29	12
30	7
31	12
32	5
33	14
34	1
35	6
36	7
37	2
38	3
39	14
40	9
41	2
42	5
43	10
44	21
45	2
46	1
47	4
48	1
49	2
50	7
51	2
52	11
53	6
54	1
55	14
56	1
57	2
58	7
59	2
60	11
61	2
62	11
63	8
64	23
65	16
66	29
67	12
68	3
69	10
70	27
71	2
72	5
73	8
74	1
75	8
76	3
77	20
78	17
79	2
80	1
81	10
82	1
83	10