A145436 - cp's OEIS frontend

A145436 Decimal expansion of Sum_{n>=0} (-1)^n/((2n+1)^2*binomial(2n,n)).

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

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

cp's OEIS Frontend

A145436 Decimal expansion of Sum_{n>=0} (-1)^n/((2n+1)^2*binomial(2n,n)).

Table of values

List of values

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

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

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