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.

A061944 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 15 (most significant digit on right).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 28
6 48
7 143
8 148
9 224
10 392
11 2079
12 2716
13 2999
14 12537
15 14392
16 16384
17 32124
18 52073
19 56747
20 138203
21 238847
22 527989
23 4580376
24 5147667
25 5276712
26 6982808
27 8947484

List of values

[1, 3, 5, 7, 28, 48, 143, 148, 224, 392, 2079, 2716, 2999, 12537, 14392, 16384, 32124, 52073, 56747, 138203, 238847, 527989, 4580376, 5147667, 5276712, 6982808, 8947484]