cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A219733 Decimal expansion of 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

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

List of values

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