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.

A144563 Subset of A020342 (vampire numbers, definition 1) listing numbers which have more than one such representation of the desired form.

Table of values

n a(n)
1 1260
2 1395
3 1530
4 6880
5 12060
6 12550
7 12600
8 13950
9 14350
10 15030
11 15300
12 18270
13 21870
14 31590
15 37840
16 68800
17 102510
18 102550
19 104260
20 105210
21 105250
22 105264
23 105750
24 112590
25 114390
26 116928
27 118440
28 118480
29 119682
30 120060
31 120600
32 123840
33 125050
34 125460
35 125500
36 125950

List of values

[1260, 1395, 1530, 6880, 12060, 12550, 12600, 13950, 14350, 15030, 15300, 18270, 21870, 31590, 37840, 68800, 102510, 102550, 104260, 105210, 105250, 105264, 105750, 112590, 114390, 116928, 118440, 118480, 119682, 120060, 120600, 123840, 125050, 125460, 125500, 125950]