A244664 - cp's OEIS frontend

A244664 Decimal expansion of Sum_{n >= 1} H(n,2)/n^2 where H(n,2) = A007406(n)/A007407(n) is the n-th harmonic number of order 2.

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

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

cp's OEIS Frontend

A244664 Decimal expansion of Sum_{n >= 1} H(n,2)/n^2 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	8
3	9
4	4
5	0
6	6
7	5
8	6
9	5
10	8
11	9
12	9
13	4
14	4
15	9
16	1
17	8
18	3
19	5
20	1
21	5
22	3
23	0
24	0
25	6
26	4
27	6
28	8
29	9
30	4
31	7
32	0
33	4
34	3
35	8
36	2
37	9
38	8
39	5
40	5
41	8
42	1
43	4
44	1
45	6
46	5
47	8
48	5
49	7
50	7
51	7
52	2
53	0
54	8
55	8
56	4
57	4
58	5
59	2
60	0
61	8
62	3
63	7
64	7
65	0
66	2
67	7
68	2
69	1
70	1
71	0
72	7
73	8
74	3
75	2
76	7
77	1
78	9
79	5
80	4
81	8
82	1
83	4
84	7
85	4
86	5
87	9
88	1
89	8
90	6
91	2
92	8
93	9
94	7
95	9
96	7
97	4
98	8
99	5
100	5

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

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