A371804 - cp's OEIS frontend

A371804 Decimal expansion of Sum_{k>=0} (-1)^k / (k^2 + k + 1).

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

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

cp's OEIS Frontend

A371804 Decimal expansion of Sum_{k>=0} (-1)^k / (k^2 + k + 1).

Table of values

List of values

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

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

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