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.

A190409 Decimal expansion of sum of even-numbered rows of array G defined at A190404.

Table of values

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

List of values

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