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.

A143625 Decimal expansion of the constant E_3(0) := Sum_{n >= 0} (-1)^floor(n/3)/n! = 1 + 1/1! + 1/2! - 1/3! - 1/4! - 1/5! + + + - - - ... .

Table of values

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

List of values

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