A085753 - cp's OEIS frontend

A085753 Least k such that n^n + k is a semiprime.

n	a(n)
1	3
2	0
3	6
4	3
5	2
6	5
7	6
8	3
9	4
10	3
11	6
12	31
13	6
14	3
15	4
16	1
17	20
18	19
19	28
20	3
21	8
22	3
23	60
24	5
25	16
26	15
27	46
28	3
29	2
30	7
31	12
32	13
33	4
34	3
35	18
36	3
37	9
38	3
39	32
40	7
41	6
42	37
43	30
44	61
45	2
46	81
47	26
48	5
49	34
50	79
51	62
52	6
53	44
54	5
55	16
56	15
57	10
58	133
59	12
60	31
61	28
62	49
63	26
64	21
65	92
66	43
67	76
68	67
69	38
70	57
71	36
72	43
73	21
74	115
75	2
76	25
77	74
78	179
79	28
80	27
81	52
82	15

[3, 0, 6, 3, 2, 5, 6, 3, 4, 3, 6, 31, 6, 3, 4, 1, 20, 19, 28, 3, 8, 3, 60, 5, 16, 15, 46, 3, 2, 7, 12, 13, 4, 3, 18, 3, 9, 3, 32, 7, 6, 37, 30, 61, 2, 81, 26, 5, 34, 79, 62, 6, 44, 5, 16, 15, 10, 133, 12, 31, 28, 49, 26, 21, 92, 43, 76, 67, 38, 57, 36, 43, 21, 115, 2, 25, 74, 179, 28, 27, 52, 15]

cp's OEIS Frontend

A085753 Least k such that n^n + k is a semiprime.

Table of values

List of values

n	a(n)
1	3
2	0
3	6
4	3
5	2
6	5
7	6
8	3
9	4
10	3
11	6
12	31
13	6
14	3
15	4
16	1
17	20
18	19
19	28
20	3
21	8
22	3
23	60
24	5
25	16
26	15
27	46
28	3
29	2
30	7
31	12
32	13
33	4
34	3
35	18
36	3
37	9
38	3
39	32
40	7
41	6
42	37
43	30
44	61
45	2
46	81
47	26
48	5
49	34
50	79
51	62
52	6
53	44
54	5
55	16
56	15
57	10
58	133
59	12
60	31
61	28
62	49
63	26
64	21
65	92
66	43
67	76
68	67
69	38
70	57
71	36
72	43
73	21
74	115
75	2
76	25
77	74
78	179
79	28
80	27
81	52
82	15

n	a(n)
1	3
2	0
3	6
4	3
5	2
6	5
7	6
8	3
9	4
10	3
11	6
12	31
13	6
14	3
15	4
16	1
17	20
18	19
19	28
20	3
21	8
22	3
23	60
24	5
25	16
26	15
27	46
28	3
29	2
30	7
31	12
32	13
33	4
34	3
35	18
36	3
37	9
38	3
39	32
40	7
41	6
42	37
43	30
44	61
45	2
46	81
47	26
48	5
49	34
50	79
51	62
52	6
53	44
54	5
55	16
56	15
57	10
58	133
59	12
60	31
61	28
62	49
63	26
64	21
65	92
66	43
67	76
68	67
69	38
70	57
71	36
72	43
73	21
74	115
75	2
76	25
77	74
78	179
79	28
80	27
81	52
82	15

n	a(n)
1	3
2	0
3	6
4	3
5	2
6	5
7	6
8	3
9	4
10	3
11	6
12	31
13	6
14	3
15	4
16	1
17	20
18	19
19	28
20	3
21	8
22	3
23	60
24	5
25	16
26	15
27	46
28	3
29	2
30	7
31	12
32	13
33	4
34	3
35	18
36	3
37	9
38	3
39	32
40	7
41	6
42	37
43	30
44	61
45	2
46	81
47	26
48	5
49	34
50	79
51	62
52	6
53	44
54	5
55	16
56	15
57	10
58	133
59	12
60	31
61	28
62	49
63	26
64	21
65	92
66	43
67	76
68	67
69	38
70	57
71	36
72	43
73	21
74	115
75	2
76	25
77	74
78	179
79	28
80	27
81	52
82	15