A238166 - cp's OEIS frontend

A238166 Decimal expansion of sum_(n>=1) H(n,2)/n^4 where H(n,2) = A007406(n)/A007407(n) is the n-th harmonic number of order 2.

n	a(n)
1	1
2	1
3	0
4	5
5	8
6	2
7	6
8	4
9	4
10	4
11	4
12	3
13	8
14	8
15	1
16	7
17	8
18	5
19	4
20	0
21	0
22	8
23	8
24	4
25	5
26	7
27	6
28	8
29	8
30	7
31	6
32	6
33	8
34	0
35	9
36	8
37	4
38	5
39	4
40	9
41	7
42	9
43	6
44	2
45	4
46	2
47	4
48	1
49	9
50	6
51	0
52	4
53	1
54	5
55	3
56	5
57	1
58	7
59	2
60	9
61	7
62	9
63	4
64	0
65	5
66	6
67	3
68	8
69	0
70	6
71	4
72	6
73	1
74	8
75	3
76	0
77	7
78	0
79	1
80	4
81	6
82	9
83	3
84	3
85	8
86	6
87	0
88	1
89	7
90	7
91	2
92	5
93	3
94	9
95	0
96	0
97	5
98	7
99	5
100	7

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

cp's OEIS Frontend

A238166 Decimal expansion of sum_(n>=1) H(n,2)/n^4 where H(n,2) = A007406(n)/A007407(n) is the n-th harmonic number of order 2.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	5
5	8
6	2
7	6
8	4
9	4
10	4
11	4
12	3
13	8
14	8
15	1
16	7
17	8
18	5
19	4
20	0
21	0
22	8
23	8
24	4
25	5
26	7
27	6
28	8
29	8
30	7
31	6
32	6
33	8
34	0
35	9
36	8
37	4
38	5
39	4
40	9
41	7
42	9
43	6
44	2
45	4
46	2
47	4
48	1
49	9
50	6
51	0
52	4
53	1
54	5
55	3
56	5
57	1
58	7
59	2
60	9
61	7
62	9
63	4
64	0
65	5
66	6
67	3
68	8
69	0
70	6
71	4
72	6
73	1
74	8
75	3
76	0
77	7
78	0
79	1
80	4
81	6
82	9
83	3
84	3
85	8
86	6
87	0
88	1
89	7
90	7
91	2
92	5
93	3
94	9
95	0
96	0
97	5
98	7
99	5
100	7

n	a(n)
1	1
2	1
3	0
4	5
5	8
6	2
7	6
8	4
9	4
10	4
11	4
12	3
13	8
14	8
15	1
16	7
17	8
18	5
19	4
20	0
21	0
22	8
23	8
24	4
25	5
26	7
27	6
28	8
29	8
30	7
31	6
32	6
33	8
34	0
35	9
36	8
37	4
38	5
39	4
40	9
41	7
42	9
43	6
44	2
45	4
46	2
47	4
48	1
49	9
50	6
51	0
52	4
53	1
54	5
55	3
56	5
57	1
58	7
59	2
60	9
61	7
62	9
63	4
64	0
65	5
66	6
67	3
68	8
69	0
70	6
71	4
72	6
73	1
74	8
75	3
76	0
77	7
78	0
79	1
80	4
81	6
82	9
83	3
84	3
85	8
86	6
87	0
88	1
89	7
90	7
91	2
92	5
93	3
94	9
95	0
96	0
97	5
98	7
99	5
100	7

n	a(n)
1	1
2	1
3	0
4	5
5	8
6	2
7	6
8	4
9	4
10	4
11	4
12	3
13	8
14	8
15	1
16	7
17	8
18	5
19	4
20	0
21	0
22	8
23	8
24	4
25	5
26	7
27	6
28	8
29	8
30	7
31	6
32	6
33	8
34	0
35	9
36	8
37	4
38	5
39	4
40	9
41	7
42	9
43	6
44	2
45	4
46	2
47	4
48	1
49	9
50	6
51	0
52	4
53	1
54	5
55	3
56	5
57	1
58	7
59	2
60	9
61	7
62	9
63	4
64	0
65	5
66	6
67	3
68	8
69	0
70	6
71	4
72	6
73	1
74	8
75	3
76	0
77	7
78	0
79	1
80	4
81	6
82	9
83	3
84	3
85	8
86	6
87	0
88	1
89	7
90	7
91	2
92	5
93	3
94	9
95	0
96	0
97	5
98	7
99	5
100	7