A358361 - cp's OEIS frontend

A358361 Decimal expansion of the constant Sum_{j>=0} j!!/(2*j)!, where j!! indicates the double factorial of j.

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

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

cp's OEIS Frontend

A358361 Decimal expansion of the constant Sum_{j>=0} j!!/(2*j)!, where j!! indicates the double factorial of j.

Table of values

List of values

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

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

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