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.

A308306 Boomerang numbers: their last digit "comes back" to occupy the place of their first digit (see the Comments section for the explanation).

Table of values

n a(n)
1 100
2 203
3 225
4 230
5 247
6 252
7 269
8 274
9 296
10 302
11 320
12 405
13 427
14 449
15 450
16 472
17 494
18 504
19 522
20 540
21 607
22 629
23 670
24 692
25 706
26 724
27 742
28 760
29 809
30 890
31 908
32 926
33 944
34 962
35 980
36 1012
37 1021
38 1034
39 1043
40 1056
41 1065
42 1078
43 1087
44 1102
45 1120
46 1201
47 1210
48 1223
49 1232
50 1245
51 1254
52 1267
53 1276
54 1289
55 1298
56 1304
57 1322
58 1340
59 1403
60 1425
61 1430

List of values

[100, 203, 225, 230, 247, 252, 269, 274, 296, 302, 320, 405, 427, 449, 450, 472, 494, 504, 522, 540, 607, 629, 670, 692, 706, 724, 742, 760, 809, 890, 908, 926, 944, 962, 980, 1012, 1021, 1034, 1043, 1056, 1065, 1078, 1087, 1102, 1120, 1201, 1210, 1223, 1232, 1245, 1254, 1267, 1276, 1289, 1298, 1304, 1322, 1340, 1403, 1425, 1430]