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.

A018846 Strobogrammatic numbers: numbers that are the same upside down (using calculator-style numerals).

Table of values

n a(n)
1 0
2 1
3 2
4 5
5 8
6 11
7 22
8 55
9 69
10 88
11 96
12 101
13 111
14 121
15 151
16 181
17 202
18 212
19 222
20 252
21 282
22 505
23 515
24 525
25 555
26 585
27 609
28 619
29 629
30 659
31 689
32 808
33 818
34 828
35 858
36 888
37 906
38 916
39 926
40 956
41 986
42 1001
43 1111
44 1221
45 1551
46 1691
47 1881
48 1961
49 2002
50 2112
51 2222
52 2552
53 2692
54 2882

List of values

[0, 1, 2, 5, 8, 11, 22, 55, 69, 88, 96, 101, 111, 121, 151, 181, 202, 212, 222, 252, 282, 505, 515, 525, 555, 585, 609, 619, 629, 659, 689, 808, 818, 828, 858, 888, 906, 916, 926, 956, 986, 1001, 1111, 1221, 1551, 1691, 1881, 1961, 2002, 2112, 2222, 2552, 2692, 2882]