A219734 - cp's OEIS frontend

A219734 Decimal expansion of 1/s, where s = Sum_{n>=1} 1/p(n), where p(n) is the product of numbers n^2 + 1 to (n+1)^2 - 1.

n	a(n)
1	5
2	9
3	7
4	8
5	6
6	3
7	7
8	7
9	6
10	6
11	6
12	1
13	0
14	5
15	4
16	4
17	0
18	9
19	5
20	9
21	7
22	5
23	5
24	6
25	5
26	6
27	2
28	7
29	1
30	8
31	2
32	3
33	0
34	6
35	5
36	1
37	3
38	8
39	0
40	1
41	5
42	6
43	4
44	6
45	8
46	3
47	6
48	2
49	5
50	0
51	3
52	8
53	9
54	3
55	7
56	4
57	9
58	4
59	6
60	7
61	9
62	0
63	8
64	8
65	1
66	5
67	3
68	9
69	7
70	1
71	5
72	7
73	2
74	1
75	6
76	9
77	3
78	0
79	9
80	2
81	0
82	6
83	3
84	1
85	0
86	9
87	2
88	4
89	0
90	4
91	0
92	6
93	2
94	1
95	2
96	6
97	1
98	7
99	7
100	7
101	4
102	1
103	4
104	3
105	2

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

cp's OEIS Frontend

A219734 Decimal expansion of 1/s, where s = Sum_{n>=1} 1/p(n), where p(n) is the product of numbers n^2 + 1 to (n+1)^2 - 1.

Table of values

List of values

n	a(n)
1	5
2	9
3	7
4	8
5	6
6	3
7	7
8	7
9	6
10	6
11	6
12	1
13	0
14	5
15	4
16	4
17	0
18	9
19	5
20	9
21	7
22	5
23	5
24	6
25	5
26	6
27	2
28	7
29	1
30	8
31	2
32	3
33	0
34	6
35	5
36	1
37	3
38	8
39	0
40	1
41	5
42	6
43	4
44	6
45	8
46	3
47	6
48	2
49	5
50	0
51	3
52	8
53	9
54	3
55	7
56	4
57	9
58	4
59	6
60	7
61	9
62	0
63	8
64	8
65	1
66	5
67	3
68	9
69	7
70	1
71	5
72	7
73	2
74	1
75	6
76	9
77	3
78	0
79	9
80	2
81	0
82	6
83	3
84	1
85	0
86	9
87	2
88	4
89	0
90	4
91	0
92	6
93	2
94	1
95	2
96	6
97	1
98	7
99	7
100	7
101	4
102	1
103	4
104	3
105	2

n	a(n)
1	5
2	9
3	7
4	8
5	6
6	3
7	7
8	7
9	6
10	6
11	6
12	1
13	0
14	5
15	4
16	4
17	0
18	9
19	5
20	9
21	7
22	5
23	5
24	6
25	5
26	6
27	2
28	7
29	1
30	8
31	2
32	3
33	0
34	6
35	5
36	1
37	3
38	8
39	0
40	1
41	5
42	6
43	4
44	6
45	8
46	3
47	6
48	2
49	5
50	0
51	3
52	8
53	9
54	3
55	7
56	4
57	9
58	4
59	6
60	7
61	9
62	0
63	8
64	8
65	1
66	5
67	3
68	9
69	7
70	1
71	5
72	7
73	2
74	1
75	6
76	9
77	3
78	0
79	9
80	2
81	0
82	6
83	3
84	1
85	0
86	9
87	2
88	4
89	0
90	4
91	0
92	6
93	2
94	1
95	2
96	6
97	1
98	7
99	7
100	7
101	4
102	1
103	4
104	3
105	2

n	a(n)
1	5
2	9
3	7
4	8
5	6
6	3
7	7
8	7
9	6
10	6
11	6
12	1
13	0
14	5
15	4
16	4
17	0
18	9
19	5
20	9
21	7
22	5
23	5
24	6
25	5
26	6
27	2
28	7
29	1
30	8
31	2
32	3
33	0
34	6
35	5
36	1
37	3
38	8
39	0
40	1
41	5
42	6
43	4
44	6
45	8
46	3
47	6
48	2
49	5
50	0
51	3
52	8
53	9
54	3
55	7
56	4
57	9
58	4
59	6
60	7
61	9
62	0
63	8
64	8
65	1
66	5
67	3
68	9
69	7
70	1
71	5
72	7
73	2
74	1
75	6
76	9
77	3
78	0
79	9
80	2
81	0
82	6
83	3
84	1
85	0
86	9
87	2
88	4
89	0
90	4
91	0
92	6
93	2
94	1
95	2
96	6
97	1
98	7
99	7
100	7
101	4
102	1
103	4
104	3
105	2