A283556 - cp's OEIS frontend

A283556 Digital root of the sum of the first n primes.

n	a(n)
0	0
1	2
2	5
3	1
4	8
5	1
6	5
7	4
8	5
9	1
10	3
11	7
12	8
13	4
14	2
15	4
16	3
17	8
18	6
19	1
20	9
21	1
22	8
23	1
24	9
25	7
26	9
27	4
28	3
29	4
30	9
31	1
32	6
33	8
34	3
35	8
36	6
37	1
38	2
39	7
40	9
41	8
42	9
43	2
44	6
45	5
46	6
47	1
48	8
49	1
50	5
51	4
52	9
53	7
54	6
55	2
56	4
57	3
58	4
59	2
60	4
61	8
62	4
63	5
64	1
65	8
66	1
67	8
68	3
69	8
70	6
71	8
72	7
73	5
74	9
75	1
76	6
77	8
78	9
79	5
80	9
81	5
82	3
83	2
84	3
85	1
86	3
87	2
88	9
89	2
90	6
91	5
92	7
93	8
94	4
95	8
96	7
97	3
98	2
99	3

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

cp's OEIS Frontend

A283556 Digital root of the sum of the first n primes.

Table of values

List of values

n	a(n)
0	0
1	2
2	5
3	1
4	8
5	1
6	5
7	4
8	5
9	1
10	3
11	7
12	8
13	4
14	2
15	4
16	3
17	8
18	6
19	1
20	9
21	1
22	8
23	1
24	9
25	7
26	9
27	4
28	3
29	4
30	9
31	1
32	6
33	8
34	3
35	8
36	6
37	1
38	2
39	7
40	9
41	8
42	9
43	2
44	6
45	5
46	6
47	1
48	8
49	1
50	5
51	4
52	9
53	7
54	6
55	2
56	4
57	3
58	4
59	2
60	4
61	8
62	4
63	5
64	1
65	8
66	1
67	8
68	3
69	8
70	6
71	8
72	7
73	5
74	9
75	1
76	6
77	8
78	9
79	5
80	9
81	5
82	3
83	2
84	3
85	1
86	3
87	2
88	9
89	2
90	6
91	5
92	7
93	8
94	4
95	8
96	7
97	3
98	2
99	3

n	a(n)
0	0
1	2
2	5
3	1
4	8
5	1
6	5
7	4
8	5
9	1
10	3
11	7
12	8
13	4
14	2
15	4
16	3
17	8
18	6
19	1
20	9
21	1
22	8
23	1
24	9
25	7
26	9
27	4
28	3
29	4
30	9
31	1
32	6
33	8
34	3
35	8
36	6
37	1
38	2
39	7
40	9
41	8
42	9
43	2
44	6
45	5
46	6
47	1
48	8
49	1
50	5
51	4
52	9
53	7
54	6
55	2
56	4
57	3
58	4
59	2
60	4
61	8
62	4
63	5
64	1
65	8
66	1
67	8
68	3
69	8
70	6
71	8
72	7
73	5
74	9
75	1
76	6
77	8
78	9
79	5
80	9
81	5
82	3
83	2
84	3
85	1
86	3
87	2
88	9
89	2
90	6
91	5
92	7
93	8
94	4
95	8
96	7
97	3
98	2
99	3

n	a(n)
0	0
1	2
2	5
3	1
4	8
5	1
6	5
7	4
8	5
9	1
10	3
11	7
12	8
13	4
14	2
15	4
16	3
17	8
18	6
19	1
20	9
21	1
22	8
23	1
24	9
25	7
26	9
27	4
28	3
29	4
30	9
31	1
32	6
33	8
34	3
35	8
36	6
37	1
38	2
39	7
40	9
41	8
42	9
43	2
44	6
45	5
46	6
47	1
48	8
49	1
50	5
51	4
52	9
53	7
54	6
55	2
56	4
57	3
58	4
59	2
60	4
61	8
62	4
63	5
64	1
65	8
66	1
67	8
68	3
69	8
70	6
71	8
72	7
73	5
74	9
75	1
76	6
77	8
78	9
79	5
80	9
81	5
82	3
83	2
84	3
85	1
86	3
87	2
88	9
89	2
90	6
91	5
92	7
93	8
94	4
95	8
96	7
97	3
98	2
99	3