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.

A225688 E.g.f.: sec(x)^3+(sec(x)^2*tan(x)).

Table of values

n a(n)
0 1
1 1
2 3
3 8
4 33
5 136
6 723
7 3968
8 25953
9 176896
10 1376643
11 11184128
12 101031873
13 951878656
14 9795436563
15 104932671488
16 1212135593793
17 14544442556416
18 186388033956483
19 2475749026562048
20 34859622790687713
21 507711943253426176
22 7791941518975112403
23 123460740095103991808

List of values

[1, 1, 3, 8, 33, 136, 723, 3968, 25953, 176896, 1376643, 11184128, 101031873, 951878656, 9795436563, 104932671488, 1212135593793, 14544442556416, 186388033956483, 2475749026562048, 34859622790687713, 507711943253426176, 7791941518975112403, 123460740095103991808]