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.

A206771 0 followed by the numerators of the reduced (A001803(n) + A001790(n)) / (2*A046161(n)).

Table of values

n a(n)
0 0
1 1
2 1
3 9
4 5
5 175
6 189
7 1617
8 429
9 57915
10 60775
11 508079
12 264537
13 8788507
14 9100525
15 75218625
16 9694845
17 5109183315
18 5250613995
19 43106892675
20 22090789875
21 723694276305
22 740104577355
23 6049284520695
24 1543768261425
25 201547523019375

List of values

[0, 1, 1, 9, 5, 175, 189, 1617, 429, 57915, 60775, 508079, 264537, 8788507, 9100525, 75218625, 9694845, 5109183315, 5250613995, 43106892675, 22090789875, 723694276305, 740104577355, 6049284520695, 1543768261425, 201547523019375]