A272181 - cp's OEIS frontend

A272181 a(1) = 1; a(n) = n mod a(k), k being the largest value such that n mod a(k) > 1, or n if there is no such k.

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

[1, 2, 3, 2, 2, 6, 7, 2, 2, 3, 2, 5, 3, 2, 3, 2, 2, 3, 4, 2, 3, 2, 2, 4, 4, 2, 3, 3, 2, 2, 3, 2, 3, 2, 2, 36, 2, 2, 3, 4, 2, 2, 3, 2, 9, 2, 2, 3, 4, 2, 3, 7, 4, 2, 3, 2, 3, 2, 2, 4, 5, 2, 3, 4, 2, 2, 3, 2, 4, 2, 3, 2, 3, 2]

cp's OEIS Frontend

A272181 a(1) = 1; a(n) = n mod a(k), k being the largest value such that n mod a(k) > 1, or n if there is no such k.

Table of values

List of values

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

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

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