A328446 - cp's OEIS frontend

A328446 Table read by rows: the n-th row gives the nonnegative integers k such that n - k is a power of k.

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

[0, 1, 2, 2, 3, 4, 2, 3, 5, 6, 4, 7, 8, 2, 5, 9, 10, 3, 6, 11, 12, 7, 13, 14, 8, 15, 16, 2, 9, 17, 18, 4, 10, 19, 20, 11, 21, 22, 12, 23, 24, 13, 25, 26, 14, 27, 28, 3, 5, 15, 29, 30, 16, 31, 32, 2, 17, 33, 34, 18, 35, 36, 19, 37, 38, 20, 39, 40, 6, 21, 41, 42, 22]

cp's OEIS Frontend

A328446 Table read by rows: the n-th row gives the nonnegative integers k such that n - k is a power of k.

Table of values

List of values

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

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

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