A222817 - cp's OEIS frontend

A222817 Irregular triangle read by rows: row n gives list of nontrivial reverse multipliers for base n.

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

[2, 3, 2, 4, 2, 5, 3, 6, 2, 3, 5, 7, 2, 4, 8, 4, 9, 2, 3, 5, 7, 10, 2, 3, 5, 11, 5, 6, 12, 2, 3, 4, 6, 9, 13, 2, 3, 4, 7, 11, 14, 3, 7, 15, 2, 4, 5, 8, 10, 11, 16, 2, 5, 7, 8, 17, 3, 4, 6, 7, 9, 14, 18, 2, 3, 4, 6, 9, 13, 19]

cp's OEIS Frontend

A222817 Irregular triangle read by rows: row n gives list of nontrivial reverse multipliers for base n.

Table of values

List of values

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

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

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