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.

A061385 Numbers n such that sum of digits = twice number of digits.

Table of values

n a(n)
1 2
2 13
3 22
4 31
5 40
6 105
7 114
8 123
9 132
10 141
11 150
12 204
13 213
14 222
15 231
16 240
17 303
18 312
19 321
20 330
21 402
22 411
23 420
24 501
25 510
26 600
27 1007
28 1016
29 1025
30 1034
31 1043
32 1052
33 1061
34 1070
35 1106
36 1115
37 1124
38 1133
39 1142
40 1151
41 1160
42 1205
43 1214
44 1223
45 1232
46 1241
47 1250
48 1304

List of values

[2, 13, 22, 31, 40, 105, 114, 123, 132, 141, 150, 204, 213, 222, 231, 240, 303, 312, 321, 330, 402, 411, 420, 501, 510, 600, 1007, 1016, 1025, 1034, 1043, 1052, 1061, 1070, 1106, 1115, 1124, 1133, 1142, 1151, 1160, 1205, 1214, 1223, 1232, 1241, 1250, 1304]