A316570 - cp's OEIS frontend

A316570 Multiplicative digital root of sigma(n).

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

[1, 3, 4, 7, 6, 2, 8, 5, 3, 8, 2, 6, 4, 8, 8, 3, 8, 4, 0, 8, 6, 8, 8, 0, 3, 8, 0, 0, 0, 4, 6, 8, 6, 0, 6, 9, 8, 0, 0, 0, 8, 0, 6, 6, 0, 4, 6, 8, 5, 4, 4, 4, 0, 0, 4, 0, 0, 0, 0, 6, 2, 0, 0, 4, 6, 6, 6, 2, 0, 6, 4, 0, 6, 4, 8, 0, 0, 6, 0, 6, 2, 2, 6, 6, 0, 6, 0]

cp's OEIS Frontend

A316570 Multiplicative digital root of sigma(n).

Table of values

List of values

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

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

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