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.

A131639 Numbers n such that the sum of all numbers formed by deleting one digit from n is equal to n.

Table of values

n a(n)
1 1729404
2 1800000
3 13758846
4 13800000
5 14358846
6 14400000
7 15000000
8 28758846
9 28800000
10 29358846
11 29400000
12 1107488889
13 1107489042
14 1111088889
15 1111089042
16 3277800000
17 3281400000
18 4388888889
19 4388889042
20 4392488889
21 4392489042
22 4500000000
23 5607488889
24 5607489042
25 5611088889
26 5611089042
27 7777800000
28 7781400000
29 8888888889
30 8888889042
31 8892488889
32 8892489042
33 10000000000
34 20000000000
35 30000000000
36 40000000000
37 50000000000
38 60000000000
39 70000000000
40 80000000000
41 90000000000

List of values

[1729404, 1800000, 13758846, 13800000, 14358846, 14400000, 15000000, 28758846, 28800000, 29358846, 29400000, 1107488889, 1107489042, 1111088889, 1111089042, 3277800000, 3281400000, 4388888889, 4388889042, 4392488889, 4392489042, 4500000000, 5607488889, 5607489042, 5611088889, 5611089042, 7777800000, 7781400000, 8888888889, 8888889042, 8892488889, 8892489042, 10000000000, 20000000000, 30000000000, 40000000000, 50000000000, 60000000000, 70000000000, 80000000000, 90000000000]