A105853 - cp's OEIS frontend

A105853 a(n) = sigma(n) (mod 10), i.e., unit's digit 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	8
13	4
14	4
15	4
16	1
17	8
18	9
19	0
20	2
21	2
22	6
23	4
24	0
25	1
26	2
27	0
28	6
29	0
30	2
31	2
32	3
33	8
34	4
35	8
36	1
37	8
38	0
39	6
40	0
41	2
42	6
43	4
44	4
45	8
46	2
47	8
48	4
49	7
50	3
51	2
52	8
53	4
54	0
55	2
56	0
57	0
58	0
59	0
60	8
61	2
62	6
63	4
64	7
65	4
66	4
67	8
68	6
69	6
70	4
71	2
72	5
73	4
74	4
75	4
76	0
77	6
78	8
79	0
80	6
81	1
82	6
83	4
84	4
85	8
86	2
87	0
88	0
89	0
90	4
91	2
92	8
93	8
94	4
95	0
96	2
97	8
98	1
99	6
100	7
101	2
102	6
103	4
104	0
105	2

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

cp's OEIS Frontend

A105853 a(n) = sigma(n) (mod 10), i.e., unit's digit 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	8
13	4
14	4
15	4
16	1
17	8
18	9
19	0
20	2
21	2
22	6
23	4
24	0
25	1
26	2
27	0
28	6
29	0
30	2
31	2
32	3
33	8
34	4
35	8
36	1
37	8
38	0
39	6
40	0
41	2
42	6
43	4
44	4
45	8
46	2
47	8
48	4
49	7
50	3
51	2
52	8
53	4
54	0
55	2
56	0
57	0
58	0
59	0
60	8
61	2
62	6
63	4
64	7
65	4
66	4
67	8
68	6
69	6
70	4
71	2
72	5
73	4
74	4
75	4
76	0
77	6
78	8
79	0
80	6
81	1
82	6
83	4
84	4
85	8
86	2
87	0
88	0
89	0
90	4
91	2
92	8
93	8
94	4
95	0
96	2
97	8
98	1
99	6
100	7
101	2
102	6
103	4
104	0
105	2

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	8
13	4
14	4
15	4
16	1
17	8
18	9
19	0
20	2
21	2
22	6
23	4
24	0
25	1
26	2
27	0
28	6
29	0
30	2
31	2
32	3
33	8
34	4
35	8
36	1
37	8
38	0
39	6
40	0
41	2
42	6
43	4
44	4
45	8
46	2
47	8
48	4
49	7
50	3
51	2
52	8
53	4
54	0
55	2
56	0
57	0
58	0
59	0
60	8
61	2
62	6
63	4
64	7
65	4
66	4
67	8
68	6
69	6
70	4
71	2
72	5
73	4
74	4
75	4
76	0
77	6
78	8
79	0
80	6
81	1
82	6
83	4
84	4
85	8
86	2
87	0
88	0
89	0
90	4
91	2
92	8
93	8
94	4
95	0
96	2
97	8
98	1
99	6
100	7
101	2
102	6
103	4
104	0
105	2

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	8
13	4
14	4
15	4
16	1
17	8
18	9
19	0
20	2
21	2
22	6
23	4
24	0
25	1
26	2
27	0
28	6
29	0
30	2
31	2
32	3
33	8
34	4
35	8
36	1
37	8
38	0
39	6
40	0
41	2
42	6
43	4
44	4
45	8
46	2
47	8
48	4
49	7
50	3
51	2
52	8
53	4
54	0
55	2
56	0
57	0
58	0
59	0
60	8
61	2
62	6
63	4
64	7
65	4
66	4
67	8
68	6
69	6
70	4
71	2
72	5
73	4
74	4
75	4
76	0
77	6
78	8
79	0
80	6
81	1
82	6
83	4
84	4
85	8
86	2
87	0
88	0
89	0
90	4
91	2
92	8
93	8
94	4
95	0
96	2
97	8
98	1
99	6
100	7
101	2
102	6
103	4
104	0
105	2