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.

A376216 Numbers whose sum of powerful divisors (including 1) is even.

Table of values

n a(n)
1 9
2 18
3 25
4 36
5 45
6 49
7 50
8 63
9 72
10 75
11 81
12 90
13 98
14 99
15 100
16 117
17 121
18 126
19 144
20 147
21 150
22 153
23 162
24 169
25 171
26 175
27 180
28 196
29 198
30 200
31 207
32 225
33 234
34 242
35 245
36 252
37 261
38 275
39 279
40 288
41 289
42 294
43 300
44 306
45 315
46 324
47 325
48 333
49 338
50 342
51 350
52 360
53 361
54 363
55 369
56 387
57 392
58 396
59 400

List of values

[9, 18, 25, 36, 45, 49, 50, 63, 72, 75, 81, 90, 98, 99, 100, 117, 121, 126, 144, 147, 150, 153, 162, 169, 171, 175, 180, 196, 198, 200, 207, 225, 234, 242, 245, 252, 261, 275, 279, 288, 289, 294, 300, 306, 315, 324, 325, 333, 338, 342, 350, 360, 361, 363, 369, 387, 392, 396, 400]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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