A371946 - cp's OEIS frontend

A371946 Decimal expansion of Sum_{k>=0} (-1)^k * (k+1)! / (2k+1)!.

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

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

cp's OEIS Frontend

A371946 Decimal expansion of Sum_{k>=0} (-1)^k * (k+1)! / (2k+1)!.

Table of values

List of values

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

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

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