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.

A020342 Vampire numbers: (definition 1): n has a nontrivial factorization using n's digits.

Table of values

n a(n)
1 126
2 153
3 688
4 1206
5 1255
6 1260
7 1395
8 1435
9 1503
10 1530
11 1827
12 2187
13 3159
14 3784
15 6880
16 10251
17 10255
18 10426
19 10521
20 10525
21 10575
22 11259
23 11439
24 11844
25 11848
26 12006
27 12060
28 12384
29 12505
30 12546
31 12550
32 12595
33 12600
34 12762
35 12768
36 12798
37 12843
38 12955
39 12964

List of values

[126, 153, 688, 1206, 1255, 1260, 1395, 1435, 1503, 1530, 1827, 2187, 3159, 3784, 6880, 10251, 10255, 10426, 10521, 10525, 10575, 11259, 11439, 11844, 11848, 12006, 12060, 12384, 12505, 12546, 12550, 12595, 12600, 12762, 12768, 12798, 12843, 12955, 12964]