A351573 - cp's OEIS frontend

A351573 Arithmetic derivative of the largest unitary divisor of n that is an exponentially odd number.

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	5
7	1
8	12
9	0
10	7
11	1
12	1
13	1
14	9
15	8
16	0
17	1
18	1
19	1
20	1
21	10
22	13
23	1
24	44
25	0
26	15
27	27
28	1
29	1
30	31
31	1
32	80
33	14
34	19
35	12
36	0
37	1
38	21
39	16
40	68
41	1
42	41
43	1
44	1
45	1
46	25
47	1
48	1
49	0
50	1
51	20
52	1
53	1
54	81
55	16
56	92
57	22
58	31
59	1
60	8
61	1
62	33
63	1
64	0
65	18
66	61
67	1
68	1
69	26
70	59
71	1
72	12
73	1
74	39
75	1
76	1
77	18
78	71
79	1
80	1
81	0
82	43
83	1
84	10
85	22
86	45
87	32
88	140
89	1
90	7
91	20
92	1
93	34

[0, 1, 1, 0, 1, 5, 1, 12, 0, 7, 1, 1, 1, 9, 8, 0, 1, 1, 1, 1, 10, 13, 1, 44, 0, 15, 27, 1, 1, 31, 1, 80, 14, 19, 12, 0, 1, 21, 16, 68, 1, 41, 1, 1, 1, 25, 1, 1, 0, 1, 20, 1, 1, 81, 16, 92, 22, 31, 1, 8, 1, 33, 1, 0, 18, 61, 1, 1, 26, 59, 1, 12, 1, 39, 1, 1, 18, 71, 1, 1, 0, 43, 1, 10, 22, 45, 32, 140, 1, 7, 20, 1, 34]

cp's OEIS Frontend

A351573 Arithmetic derivative of the largest unitary divisor of n that is an exponentially odd number.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	5
7	1
8	12
9	0
10	7
11	1
12	1
13	1
14	9
15	8
16	0
17	1
18	1
19	1
20	1
21	10
22	13
23	1
24	44
25	0
26	15
27	27
28	1
29	1
30	31
31	1
32	80
33	14
34	19
35	12
36	0
37	1
38	21
39	16
40	68
41	1
42	41
43	1
44	1
45	1
46	25
47	1
48	1
49	0
50	1
51	20
52	1
53	1
54	81
55	16
56	92
57	22
58	31
59	1
60	8
61	1
62	33
63	1
64	0
65	18
66	61
67	1
68	1
69	26
70	59
71	1
72	12
73	1
74	39
75	1
76	1
77	18
78	71
79	1
80	1
81	0
82	43
83	1
84	10
85	22
86	45
87	32
88	140
89	1
90	7
91	20
92	1
93	34

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	5
7	1
8	12
9	0
10	7
11	1
12	1
13	1
14	9
15	8
16	0
17	1
18	1
19	1
20	1
21	10
22	13
23	1
24	44
25	0
26	15
27	27
28	1
29	1
30	31
31	1
32	80
33	14
34	19
35	12
36	0
37	1
38	21
39	16
40	68
41	1
42	41
43	1
44	1
45	1
46	25
47	1
48	1
49	0
50	1
51	20
52	1
53	1
54	81
55	16
56	92
57	22
58	31
59	1
60	8
61	1
62	33
63	1
64	0
65	18
66	61
67	1
68	1
69	26
70	59
71	1
72	12
73	1
74	39
75	1
76	1
77	18
78	71
79	1
80	1
81	0
82	43
83	1
84	10
85	22
86	45
87	32
88	140
89	1
90	7
91	20
92	1
93	34

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	5
7	1
8	12
9	0
10	7
11	1
12	1
13	1
14	9
15	8
16	0
17	1
18	1
19	1
20	1
21	10
22	13
23	1
24	44
25	0
26	15
27	27
28	1
29	1
30	31
31	1
32	80
33	14
34	19
35	12
36	0
37	1
38	21
39	16
40	68
41	1
42	41
43	1
44	1
45	1
46	25
47	1
48	1
49	0
50	1
51	20
52	1
53	1
54	81
55	16
56	92
57	22
58	31
59	1
60	8
61	1
62	33
63	1
64	0
65	18
66	61
67	1
68	1
69	26
70	59
71	1
72	12
73	1
74	39
75	1
76	1
77	18
78	71
79	1
80	1
81	0
82	43
83	1
84	10
85	22
86	45
87	32
88	140
89	1
90	7
91	20
92	1
93	34