A214508 - cp's OEIS frontend

A214508 Decimal expansion of the series limit sum_{k>=1} (-1)^(k+1) sum_{t=1..k} 1/(t^2*(k+1)^2).

n	a(n)
0	1
1	6
2	2
3	6
4	5
5	4
6	6
7	6
8	7
9	3
10	9
11	7
12	4
13	2
14	0
15	0
16	8
17	0
18	7
19	7
20	5
21	5
22	6
23	4
24	5
25	6
26	5
27	1
28	7
29	3
30	5
31	9
32	1
33	1
34	0
35	1
36	1
37	8
38	7
39	0
40	6
41	4
42	2
43	0
44	8
45	3
46	3
47	7
48	6
49	5
50	9
51	9
52	2
53	3
54	7
55	2
56	6
57	7
58	6
59	3
60	0
61	6
62	9
63	8
64	3
65	1
66	8
67	4
68	3
69	5
70	7
71	7
72	2
73	9
74	8
75	2
76	1
77	0
78	7
79	4
80	9
81	2
82	1
83	6
84	7
85	2
86	0
87	0
88	7
89	4
90	6
91	3
92	7
93	5
94	7
95	4
96	9
97	8
98	1
99	0
100	6
101	7
102	9
103	6
104	9

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

cp's OEIS Frontend

A214508 Decimal expansion of the series limit sum_{k>=1} (-1)^(k+1) sum_{t=1..k} 1/(t^2*(k+1)^2).

Table of values

List of values

n	a(n)
0	1
1	6
2	2
3	6
4	5
5	4
6	6
7	6
8	7
9	3
10	9
11	7
12	4
13	2
14	0
15	0
16	8
17	0
18	7
19	7
20	5
21	5
22	6
23	4
24	5
25	6
26	5
27	1
28	7
29	3
30	5
31	9
32	1
33	1
34	0
35	1
36	1
37	8
38	7
39	0
40	6
41	4
42	2
43	0
44	8
45	3
46	3
47	7
48	6
49	5
50	9
51	9
52	2
53	3
54	7
55	2
56	6
57	7
58	6
59	3
60	0
61	6
62	9
63	8
64	3
65	1
66	8
67	4
68	3
69	5
70	7
71	7
72	2
73	9
74	8
75	2
76	1
77	0
78	7
79	4
80	9
81	2
82	1
83	6
84	7
85	2
86	0
87	0
88	7
89	4
90	6
91	3
92	7
93	5
94	7
95	4
96	9
97	8
98	1
99	0
100	6
101	7
102	9
103	6
104	9

n	a(n)
0	1
1	6
2	2
3	6
4	5
5	4
6	6
7	6
8	7
9	3
10	9
11	7
12	4
13	2
14	0
15	0
16	8
17	0
18	7
19	7
20	5
21	5
22	6
23	4
24	5
25	6
26	5
27	1
28	7
29	3
30	5
31	9
32	1
33	1
34	0
35	1
36	1
37	8
38	7
39	0
40	6
41	4
42	2
43	0
44	8
45	3
46	3
47	7
48	6
49	5
50	9
51	9
52	2
53	3
54	7
55	2
56	6
57	7
58	6
59	3
60	0
61	6
62	9
63	8
64	3
65	1
66	8
67	4
68	3
69	5
70	7
71	7
72	2
73	9
74	8
75	2
76	1
77	0
78	7
79	4
80	9
81	2
82	1
83	6
84	7
85	2
86	0
87	0
88	7
89	4
90	6
91	3
92	7
93	5
94	7
95	4
96	9
97	8
98	1
99	0
100	6
101	7
102	9
103	6
104	9

n	a(n)
0	1
1	6
2	2
3	6
4	5
5	4
6	6
7	6
8	7
9	3
10	9
11	7
12	4
13	2
14	0
15	0
16	8
17	0
18	7
19	7
20	5
21	5
22	6
23	4
24	5
25	6
26	5
27	1
28	7
29	3
30	5
31	9
32	1
33	1
34	0
35	1
36	1
37	8
38	7
39	0
40	6
41	4
42	2
43	0
44	8
45	3
46	3
47	7
48	6
49	5
50	9
51	9
52	2
53	3
54	7
55	2
56	6
57	7
58	6
59	3
60	0
61	6
62	9
63	8
64	3
65	1
66	8
67	4
68	3
69	5
70	7
71	7
72	2
73	9
74	8
75	2
76	1
77	0
78	7
79	4
80	9
81	2
82	1
83	6
84	7
85	2
86	0
87	0
88	7
89	4
90	6
91	3
92	7
93	5
94	7
95	4
96	9
97	8
98	1
99	0
100	6
101	7
102	9
103	6
104	9