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.

A380520 Numbers m such that the sum of squares of nondivisors of m is prime.

Table of values

n a(n)
1 5
2 6
3 26
4 38
5 66
6 166
7 206
8 238
9 266
10 318
11 321
12 333
13 341
14 369
15 405
16 406
17 445
18 458
19 481
20 553
21 606
22 658
23 706
24 784
25 873
26 893
27 933
28 946
29 1125
30 1166
31 1173
32 1273
33 1286
34 1293
35 1353
36 1546
37 1578
38 1606
39 1666
40 1678
41 1705
42 1726
43 1745
44 1773
45 1781
46 1786
47 1858
48 1906
49 1918
50 1941

List of values

[5, 6, 26, 38, 66, 166, 206, 238, 266, 318, 321, 333, 341, 369, 405, 406, 445, 458, 481, 553, 606, 658, 706, 784, 873, 893, 933, 946, 1125, 1166, 1173, 1273, 1286, 1293, 1353, 1546, 1578, 1606, 1666, 1678, 1705, 1726, 1745, 1773, 1781, 1786, 1858, 1906, 1918, 1941]