A366161 - cp's OEIS frontend

A366161 The number of ways to express n^n in the form a^b for integers a and b.

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

[3, 2, 7, 2, 6, 2, 14, 9, 6, 2, 10, 2, 6, 4, 13, 2, 9, 2, 10, 4, 6, 2, 14, 9, 6, 5, 10, 2, 12, 2, 22, 4, 6, 4, 21, 2, 6, 4, 14, 2, 12, 2, 10, 6, 6, 2, 18, 9, 9, 4, 10, 2, 12, 4, 14, 4, 6, 2, 20, 2, 6, 6, 30, 4, 12, 2, 10, 4, 12, 2, 21, 2, 6, 6, 10, 4, 12, 2, 18, 25, 6, 2, 20, 4, 6, 4, 14]

cp's OEIS Frontend

A366161 The number of ways to express n^n in the form a^b for integers a and b.

Table of values

List of values

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

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

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