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.

A284863 Denominators of exponential expansion of (3/(2*log(1+x)))*(1 - 1/(1+x)^(2/3)).

Table of values

n a(n)
0 1
1 3
2 27
3 27
4 405
5 729
6 5103
7 2187
8 295245
9 98415
10 649539
11 531441
12 241805655
13 55801305
14 71744535
15 14348907
16 3658971285
17 1162261467
18 51526925037
19 1162261467
20 4027235983155
21 575319426165
22 3608821855035
23 1412147682405
24 642527195494275
25 77103263459313
26 480412641554181
27 53379182394909

List of values

[1, 3, 27, 27, 405, 729, 5103, 2187, 295245, 98415, 649539, 531441, 241805655, 55801305, 71744535, 14348907, 3658971285, 1162261467, 51526925037, 1162261467, 4027235983155, 575319426165, 3608821855035, 1412147682405, 642527195494275, 77103263459313, 480412641554181, 53379182394909]