A328235 - cp's OEIS frontend

A328235 The least k > 0 such that the arithmetic derivative of n+k is a multiple of the arithmetic derivative of n.

n	a(n)
2	1
3	1
4	4
5	1
6	15
7	1
8	12
9	11
10	8
11	1
12	4
13	1
14	13
15	1
16	12
17	1
18	20
19	1
20	24
21	4
22	23
23	1
24	56
25	7
26	10
27	27
28	36
29	1
30	28
31	1
32	44
33	15
34	114
35	1
36	76
37	1
38	84
39	5
40	56
41	1
42	48
43	1
44	20
45	27
46	53
47	1
48	80
49	3
50	36
51	25
52	76
53	1
54	81
55	9
56	4
57	23
58	26
59	1
60	116
61	1
62	64
63	207
64	80
65	3
66	52
67	1
68	40
69	3
70	82
71	1
72	232
73	1
74	205
75	31
76	36
77	4
78	27
79	1
80	92
81	27
82	88
83	1
84	160
85	36
86	130
87	5
88	12
89	1
90	81
91	9
92	52
93	3

[1, 1, 4, 1, 15, 1, 12, 11, 8, 1, 4, 1, 13, 1, 12, 1, 20, 1, 24, 4, 23, 1, 56, 7, 10, 27, 36, 1, 28, 1, 44, 15, 114, 1, 76, 1, 84, 5, 56, 1, 48, 1, 20, 27, 53, 1, 80, 3, 36, 25, 76, 1, 81, 9, 4, 23, 26, 1, 116, 1, 64, 207, 80, 3, 52, 1, 40, 3, 82, 1, 232, 1, 205, 31, 36, 4, 27, 1, 92, 27, 88, 1, 160, 36, 130, 5, 12, 1, 81, 9, 52, 3]

cp's OEIS Frontend

A328235 The least k > 0 such that the arithmetic derivative of n+k is a multiple of the arithmetic derivative of n.

Table of values

List of values

n	a(n)
2	1
3	1
4	4
5	1
6	15
7	1
8	12
9	11
10	8
11	1
12	4
13	1
14	13
15	1
16	12
17	1
18	20
19	1
20	24
21	4
22	23
23	1
24	56
25	7
26	10
27	27
28	36
29	1
30	28
31	1
32	44
33	15
34	114
35	1
36	76
37	1
38	84
39	5
40	56
41	1
42	48
43	1
44	20
45	27
46	53
47	1
48	80
49	3
50	36
51	25
52	76
53	1
54	81
55	9
56	4
57	23
58	26
59	1
60	116
61	1
62	64
63	207
64	80
65	3
66	52
67	1
68	40
69	3
70	82
71	1
72	232
73	1
74	205
75	31
76	36
77	4
78	27
79	1
80	92
81	27
82	88
83	1
84	160
85	36
86	130
87	5
88	12
89	1
90	81
91	9
92	52
93	3

n	a(n)
2	1
3	1
4	4
5	1
6	15
7	1
8	12
9	11
10	8
11	1
12	4
13	1
14	13
15	1
16	12
17	1
18	20
19	1
20	24
21	4
22	23
23	1
24	56
25	7
26	10
27	27
28	36
29	1
30	28
31	1
32	44
33	15
34	114
35	1
36	76
37	1
38	84
39	5
40	56
41	1
42	48
43	1
44	20
45	27
46	53
47	1
48	80
49	3
50	36
51	25
52	76
53	1
54	81
55	9
56	4
57	23
58	26
59	1
60	116
61	1
62	64
63	207
64	80
65	3
66	52
67	1
68	40
69	3
70	82
71	1
72	232
73	1
74	205
75	31
76	36
77	4
78	27
79	1
80	92
81	27
82	88
83	1
84	160
85	36
86	130
87	5
88	12
89	1
90	81
91	9
92	52
93	3

n	a(n)
2	1
3	1
4	4
5	1
6	15
7	1
8	12
9	11
10	8
11	1
12	4
13	1
14	13
15	1
16	12
17	1
18	20
19	1
20	24
21	4
22	23
23	1
24	56
25	7
26	10
27	27
28	36
29	1
30	28
31	1
32	44
33	15
34	114
35	1
36	76
37	1
38	84
39	5
40	56
41	1
42	48
43	1
44	20
45	27
46	53
47	1
48	80
49	3
50	36
51	25
52	76
53	1
54	81
55	9
56	4
57	23
58	26
59	1
60	116
61	1
62	64
63	207
64	80
65	3
66	52
67	1
68	40
69	3
70	82
71	1
72	232
73	1
74	205
75	31
76	36
77	4
78	27
79	1
80	92
81	27
82	88
83	1
84	160
85	36
86	130
87	5
88	12
89	1
90	81
91	9
92	52
93	3