A248682 - cp's OEIS frontend

A248682 Decimal expansion of Sum_{n >= 0} (floor(n/2)!)^2/n!.

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

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

cp's OEIS Frontend

A248682 Decimal expansion of Sum_{n >= 0} (floor(n/2)!)^2/n!.

Table of values

List of values

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

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

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