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.

A045574 Numbers that are still numbers when turned upside down (uses only digits 0, 1, 6, 8, 9 with no final 0's).

Table of values

n a(n)
1 0
2 1
3 6
4 8
5 9
6 11
7 16
8 18
9 19
10 61
11 66
12 68
13 69
14 81
15 86
16 88
17 89
18 91
19 96
20 98
21 99
22 101
23 106
24 108
25 109
26 111
27 116
28 118
29 119
30 161
31 166
32 168
33 169
34 181
35 186
36 188
37 189
38 191
39 196
40 198
41 199
42 601
43 606
44 608
45 609
46 611
47 616
48 618
49 619
50 661
51 666
52 668
53 669
54 681
55 686
56 688
57 689
58 691
59 696
60 698
61 699

List of values

[0, 1, 6, 8, 9, 11, 16, 18, 19, 61, 66, 68, 69, 81, 86, 88, 89, 91, 96, 98, 99, 101, 106, 108, 109, 111, 116, 118, 119, 161, 166, 168, 169, 181, 186, 188, 189, 191, 196, 198, 199, 601, 606, 608, 609, 611, 616, 618, 619, 661, 666, 668, 669, 681, 686, 688, 689, 691, 696, 698, 699]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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