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.

A354719 Replace each even digit in n with the digit to its left.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 11
11 11
12 11
13 13
14 11
15 15
16 11
17 17
18 11
19 19
20 2
21 11
22 22
23 33
24 42
25 55
26 62
27 77
28 82
29 99
30 33
31 31
32 33
33 33
34 33
35 35
36 33
37 37
38 33
39 39
40 4
41 11
42 24
43 33
44 44
45 55
46 64
47 77
48 84
49 99
50 55
51 51
52 55
53 53
54 55
55 55
56 55
57 57
58 55
59 59
60 6
61 11
62 26
63 33
64 46
65 55
66 66
67 77

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 11, 11, 13, 11, 15, 11, 17, 11, 19, 2, 11, 22, 33, 42, 55, 62, 77, 82, 99, 33, 31, 33, 33, 33, 35, 33, 37, 33, 39, 4, 11, 24, 33, 44, 55, 64, 77, 84, 99, 55, 51, 55, 53, 55, 55, 55, 57, 55, 59, 6, 11, 26, 33, 46, 55, 66, 77]