A068822 - cp's OEIS frontend

A068822 a(n) = gcd(n,c(n)), where c(n) is the 10's complement of n.

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

[1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 25, 2, 1, 4, 1, 10, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 5, 2, 1, 4, 1, 50, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 5, 2, 1, 4, 1, 10, 1, 4, 1, 2, 25, 4, 1, 2, 1, 20, 1, 2]

cp's OEIS Frontend

A068822 a(n) = gcd(n,c(n)), where c(n) is the 10's complement of n.

Table of values

List of values

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

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

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