A322522 - cp's OEIS frontend

A322522 a(n) is the minimal absolute difference between n and each of the powers of the previous terms; a(1) = 1.

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

[1, 1, 2, 0, 1, 2, 1, 0, 1, 2, 3, 3, 3, 2, 1, 0, 1, 2, 3, 4, 5, 3, 2, 1, 0, 1, 0, 1, 2, 2, 1, 0, 1, 2, 3, 4, 5, 6, 3, 4, 5, 6, 7, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1]

cp's OEIS Frontend

A322522 a(n) is the minimal absolute difference between n and each of the powers of the previous terms; a(1) = 1.

Table of values

List of values

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

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

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