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.

A379780 Composite squarefree integers for which the sum of the squares of their factors is a square.

Table of values

n a(n)
1 2145
2 2730
3 4305
4 6545
5 9030
6 10545
7 11935
8 13398
9 13585
10 19695
11 20202
12 20559
13 20735
14 21318
15 23345
16 25530
17 25665
18 26070
19 27030
20 27265
21 28842
22 30849
23 34255
24 35105
25 37345
26 38335
27 40170
28 42159
29 45105
30 47215
31 53382
32 56145
33 57505
34 58938
35 59334
36 60630
37 61761
38 63921

List of values

[2145, 2730, 4305, 6545, 9030, 10545, 11935, 13398, 13585, 19695, 20202, 20559, 20735, 21318, 23345, 25530, 25665, 26070, 27030, 27265, 28842, 30849, 34255, 35105, 37345, 38335, 40170, 42159, 45105, 47215, 53382, 56145, 57505, 58938, 59334, 60630, 61761, 63921]