A071815 - cp's OEIS frontend

A071815 Decimal expansion of Sum_{k>=0} d(k!)/k! where d is the number of divisors function.

n	a(n)
1	3
2	1
3	8
4	9
5	8
6	1
7	6
8	5
9	0
10	5
11	2
12	1
13	3
14	3
15	7
16	5
17	0
18	6
19	1
20	1
21	0
22	8
23	2
24	5
25	0
26	0
27	5
28	9
29	4
30	9
31	3
32	7
33	9
34	7
35	9
36	1
37	9
38	5
39	7
40	3
41	7
42	3
43	7
44	1
45	5
46	0
47	4
48	9
49	3
50	3
51	8
52	9
53	5
54	7
55	8
56	6
57	1
58	9
59	0
60	1
61	7
62	1
63	2
64	8
65	6
66	9
67	8
68	0
69	2
70	7
71	7
72	7
73	2
74	8
75	5
76	8
77	5
78	9
79	1
80	9
81	0
82	5
83	9
84	6
85	0
86	1
87	2
88	9
89	8
90	3
91	3
92	4
93	4
94	4
95	8
96	6
97	5
98	3
99	4

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

cp's OEIS Frontend

A071815 Decimal expansion of Sum_{k>=0} d(k!)/k! where d is the number of divisors function.

Table of values

List of values

n	a(n)
1	3
2	1
3	8
4	9
5	8
6	1
7	6
8	5
9	0
10	5
11	2
12	1
13	3
14	3
15	7
16	5
17	0
18	6
19	1
20	1
21	0
22	8
23	2
24	5
25	0
26	0
27	5
28	9
29	4
30	9
31	3
32	7
33	9
34	7
35	9
36	1
37	9
38	5
39	7
40	3
41	7
42	3
43	7
44	1
45	5
46	0
47	4
48	9
49	3
50	3
51	8
52	9
53	5
54	7
55	8
56	6
57	1
58	9
59	0
60	1
61	7
62	1
63	2
64	8
65	6
66	9
67	8
68	0
69	2
70	7
71	7
72	7
73	2
74	8
75	5
76	8
77	5
78	9
79	1
80	9
81	0
82	5
83	9
84	6
85	0
86	1
87	2
88	9
89	8
90	3
91	3
92	4
93	4
94	4
95	8
96	6
97	5
98	3
99	4

n	a(n)
1	3
2	1
3	8
4	9
5	8
6	1
7	6
8	5
9	0
10	5
11	2
12	1
13	3
14	3
15	7
16	5
17	0
18	6
19	1
20	1
21	0
22	8
23	2
24	5
25	0
26	0
27	5
28	9
29	4
30	9
31	3
32	7
33	9
34	7
35	9
36	1
37	9
38	5
39	7
40	3
41	7
42	3
43	7
44	1
45	5
46	0
47	4
48	9
49	3
50	3
51	8
52	9
53	5
54	7
55	8
56	6
57	1
58	9
59	0
60	1
61	7
62	1
63	2
64	8
65	6
66	9
67	8
68	0
69	2
70	7
71	7
72	7
73	2
74	8
75	5
76	8
77	5
78	9
79	1
80	9
81	0
82	5
83	9
84	6
85	0
86	1
87	2
88	9
89	8
90	3
91	3
92	4
93	4
94	4
95	8
96	6
97	5
98	3
99	4

n	a(n)
1	3
2	1
3	8
4	9
5	8
6	1
7	6
8	5
9	0
10	5
11	2
12	1
13	3
14	3
15	7
16	5
17	0
18	6
19	1
20	1
21	0
22	8
23	2
24	5
25	0
26	0
27	5
28	9
29	4
30	9
31	3
32	7
33	9
34	7
35	9
36	1
37	9
38	5
39	7
40	3
41	7
42	3
43	7
44	1
45	5
46	0
47	4
48	9
49	3
50	3
51	8
52	9
53	5
54	7
55	8
56	6
57	1
58	9
59	0
60	1
61	7
62	1
63	2
64	8
65	6
66	9
67	8
68	0
69	2
70	7
71	7
72	7
73	2
74	8
75	5
76	8
77	5
78	9
79	1
80	9
81	0
82	5
83	9
84	6
85	0
86	1
87	2
88	9
89	8
90	3
91	3
92	4
93	4
94	4
95	8
96	6
97	5
98	3
99	4