A248675 - cp's OEIS frontend

A248675 Decimal expansion of r = sum_{n >= 0} floor(n/2)!/n!.

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

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

cp's OEIS Frontend

A248675 Decimal expansion of r = sum_{n >= 0} floor(n/2)!/n!.

Table of values

List of values

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

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

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