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.

A227324 Result of changing both the prime indices and the exponents in the prime factorization of n: increment odd values, decrement even values.

Table of values

n a(n)
1 1
2 9
3 4
4 3
5 49
6 36
7 25
8 81
9 2
10 441
11 169
12 12
13 121
14 225
15 196
16 27
17 361
18 18
19 289
20 147
21 100
22 1521
23 841
24 324
25 7
26 1089
27 16
28 75
29 529
30 1764
31 1369
32 729
33 676
34 3249
35 1225
36 6
37 961
38 2601
39 484
40 3969
41 1849
42 900
43 1681
44 507
45 98
46 7569
47 2809
48 108
49 5
50 63
51 1444
52 363
53 2209
54 144

List of values

[1, 9, 4, 3, 49, 36, 25, 81, 2, 441, 169, 12, 121, 225, 196, 27, 361, 18, 289, 147, 100, 1521, 841, 324, 7, 1089, 16, 75, 529, 1764, 1369, 729, 676, 3249, 1225, 6, 961, 2601, 484, 3969, 1849, 900, 1681, 507, 98, 7569, 2809, 108, 5, 63, 1444, 363, 2209, 144]