A365430 - cp's OEIS frontend

A365430 a(n) = A156552(gcd(n, A005940(n))), and A156552 is the inverse of offset-0 version of Doudna-sequence A005940.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	0
8	7
9	0
10	9
11	0
12	11
13	0
14	1
15	2
16	15
17	0
18	1
19	0
20	19
21	8
22	1
23	0
24	23
25	0
26	1
27	2
28	3
29	0
30	5
31	0
32	31
33	0
34	1
35	0
36	3
37	0
38	1
39	2
40	39
41	0
42	17
43	0
44	3
45	4
46	1
47	0
48	47
49	0
50	1
51	2
52	3
53	0
54	5
55	4
56	7
57	0
58	1
59	0
60	11
61	0
62	1
63	6
64	63
65	0
66	1
67	0
68	3
69	0
70	1
71	0
72	7
73	0
74	1
75	10
76	3
77	16
78	5
79	0
80	79
81	0
82	1
83	0
84	35
85	4
86	1
87	2
88	7
89	0
90	9
91	8
92	3
93	0
94	1
95	4
96	95
97	0
98	1
99	34
100	3

[0, 1, 2, 3, 4, 5, 0, 7, 0, 9, 0, 11, 0, 1, 2, 15, 0, 1, 0, 19, 8, 1, 0, 23, 0, 1, 2, 3, 0, 5, 0, 31, 0, 1, 0, 3, 0, 1, 2, 39, 0, 17, 0, 3, 4, 1, 0, 47, 0, 1, 2, 3, 0, 5, 4, 7, 0, 1, 0, 11, 0, 1, 6, 63, 0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 10, 3, 16, 5, 0, 79, 0, 1, 0, 35, 4, 1, 2, 7, 0, 9, 8, 3, 0, 1, 4, 95, 0, 1, 34, 3]

cp's OEIS Frontend

A365430 a(n) = A156552(gcd(n, A005940(n))), and A156552 is the inverse of offset-0 version of Doudna-sequence A005940.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	0
8	7
9	0
10	9
11	0
12	11
13	0
14	1
15	2
16	15
17	0
18	1
19	0
20	19
21	8
22	1
23	0
24	23
25	0
26	1
27	2
28	3
29	0
30	5
31	0
32	31
33	0
34	1
35	0
36	3
37	0
38	1
39	2
40	39
41	0
42	17
43	0
44	3
45	4
46	1
47	0
48	47
49	0
50	1
51	2
52	3
53	0
54	5
55	4
56	7
57	0
58	1
59	0
60	11
61	0
62	1
63	6
64	63
65	0
66	1
67	0
68	3
69	0
70	1
71	0
72	7
73	0
74	1
75	10
76	3
77	16
78	5
79	0
80	79
81	0
82	1
83	0
84	35
85	4
86	1
87	2
88	7
89	0
90	9
91	8
92	3
93	0
94	1
95	4
96	95
97	0
98	1
99	34
100	3

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	0
8	7
9	0
10	9
11	0
12	11
13	0
14	1
15	2
16	15
17	0
18	1
19	0
20	19
21	8
22	1
23	0
24	23
25	0
26	1
27	2
28	3
29	0
30	5
31	0
32	31
33	0
34	1
35	0
36	3
37	0
38	1
39	2
40	39
41	0
42	17
43	0
44	3
45	4
46	1
47	0
48	47
49	0
50	1
51	2
52	3
53	0
54	5
55	4
56	7
57	0
58	1
59	0
60	11
61	0
62	1
63	6
64	63
65	0
66	1
67	0
68	3
69	0
70	1
71	0
72	7
73	0
74	1
75	10
76	3
77	16
78	5
79	0
80	79
81	0
82	1
83	0
84	35
85	4
86	1
87	2
88	7
89	0
90	9
91	8
92	3
93	0
94	1
95	4
96	95
97	0
98	1
99	34
100	3

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	0
8	7
9	0
10	9
11	0
12	11
13	0
14	1
15	2
16	15
17	0
18	1
19	0
20	19
21	8
22	1
23	0
24	23
25	0
26	1
27	2
28	3
29	0
30	5
31	0
32	31
33	0
34	1
35	0
36	3
37	0
38	1
39	2
40	39
41	0
42	17
43	0
44	3
45	4
46	1
47	0
48	47
49	0
50	1
51	2
52	3
53	0
54	5
55	4
56	7
57	0
58	1
59	0
60	11
61	0
62	1
63	6
64	63
65	0
66	1
67	0
68	3
69	0
70	1
71	0
72	7
73	0
74	1
75	10
76	3
77	16
78	5
79	0
80	79
81	0
82	1
83	0
84	35
85	4
86	1
87	2
88	7
89	0
90	9
91	8
92	3
93	0
94	1
95	4
96	95
97	0
98	1
99	34
100	3