A109202 - cp's OEIS frontend

A109202 Minimal value of k>0 such that n^7 + k^2 is a semiprime.

n	a(n)
0	2
1	3
2	1
3	2
4	5
5	6
6	7
7	4
8	5
9	8
10	1
11	6
12	7
13	5
14	27
15	16
16	1
17	12
18	1
19	2
20	3
21	8
22	3
23	6
24	7
25	2
26	5
27	2
28	3
29	12
30	7
31	4
32	9
33	2
34	5
35	6
36	7
37	4
38	21
39	2
40	9
41	4
42	11
43	6
44	3
45	4
46	1
47	2
48	7
49	25
50	21
51	14
52	1
53	4
54	5
55	4
56	15
57	8
58	3
59	22
60	17
61	8
62	21
63	10
64	5
65	2
66	1
67	14
68	9
69	32
70	11
71	6
72	1
73	13
74	3
75	2
76	3
77	3
78	1
79	2
80	63
81	4
82	5
83	10
84	11
85	9
86	9
87	4
88	5
89	33
90	19
91	6
92	3

[2, 3, 1, 2, 5, 6, 7, 4, 5, 8, 1, 6, 7, 5, 27, 16, 1, 12, 1, 2, 3, 8, 3, 6, 7, 2, 5, 2, 3, 12, 7, 4, 9, 2, 5, 6, 7, 4, 21, 2, 9, 4, 11, 6, 3, 4, 1, 2, 7, 25, 21, 14, 1, 4, 5, 4, 15, 8, 3, 22, 17, 8, 21, 10, 5, 2, 1, 14, 9, 32, 11, 6, 1, 13, 3, 2, 3, 3, 1, 2, 63, 4, 5, 10, 11, 9, 9, 4, 5, 33, 19, 6, 3]

cp's OEIS Frontend

A109202 Minimal value of k>0 such that n^7 + k^2 is a semiprime.

Table of values

List of values

n	a(n)
0	2
1	3
2	1
3	2
4	5
5	6
6	7
7	4
8	5
9	8
10	1
11	6
12	7
13	5
14	27
15	16
16	1
17	12
18	1
19	2
20	3
21	8
22	3
23	6
24	7
25	2
26	5
27	2
28	3
29	12
30	7
31	4
32	9
33	2
34	5
35	6
36	7
37	4
38	21
39	2
40	9
41	4
42	11
43	6
44	3
45	4
46	1
47	2
48	7
49	25
50	21
51	14
52	1
53	4
54	5
55	4
56	15
57	8
58	3
59	22
60	17
61	8
62	21
63	10
64	5
65	2
66	1
67	14
68	9
69	32
70	11
71	6
72	1
73	13
74	3
75	2
76	3
77	3
78	1
79	2
80	63
81	4
82	5
83	10
84	11
85	9
86	9
87	4
88	5
89	33
90	19
91	6
92	3

n	a(n)
0	2
1	3
2	1
3	2
4	5
5	6
6	7
7	4
8	5
9	8
10	1
11	6
12	7
13	5
14	27
15	16
16	1
17	12
18	1
19	2
20	3
21	8
22	3
23	6
24	7
25	2
26	5
27	2
28	3
29	12
30	7
31	4
32	9
33	2
34	5
35	6
36	7
37	4
38	21
39	2
40	9
41	4
42	11
43	6
44	3
45	4
46	1
47	2
48	7
49	25
50	21
51	14
52	1
53	4
54	5
55	4
56	15
57	8
58	3
59	22
60	17
61	8
62	21
63	10
64	5
65	2
66	1
67	14
68	9
69	32
70	11
71	6
72	1
73	13
74	3
75	2
76	3
77	3
78	1
79	2
80	63
81	4
82	5
83	10
84	11
85	9
86	9
87	4
88	5
89	33
90	19
91	6
92	3

n	a(n)
0	2
1	3
2	1
3	2
4	5
5	6
6	7
7	4
8	5
9	8
10	1
11	6
12	7
13	5
14	27
15	16
16	1
17	12
18	1
19	2
20	3
21	8
22	3
23	6
24	7
25	2
26	5
27	2
28	3
29	12
30	7
31	4
32	9
33	2
34	5
35	6
36	7
37	4
38	21
39	2
40	9
41	4
42	11
43	6
44	3
45	4
46	1
47	2
48	7
49	25
50	21
51	14
52	1
53	4
54	5
55	4
56	15
57	8
58	3
59	22
60	17
61	8
62	21
63	10
64	5
65	2
66	1
67	14
68	9
69	32
70	11
71	6
72	1
73	13
74	3
75	2
76	3
77	3
78	1
79	2
80	63
81	4
82	5
83	10
84	11
85	9
86	9
87	4
88	5
89	33
90	19
91	6
92	3