A307036 - cp's OEIS frontend

A307036 Decimal expansion of Sum_{k >= 1} sigma_3(k)/k!, where sigma_3(k) is the sum of cubes of the divisors of k (A001158).

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

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

cp's OEIS Frontend

A307036 Decimal expansion of Sum_{k >= 1} sigma_3(k)/k!, where sigma_3(k) is the sum of cubes of the divisors of k (A001158).

Table of values

List of values

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

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

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