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.

A214224 E.g.f. satisfies: A(x) = x/(1 - tan(A(x))).

Table of values

n a(n)
1 1
2 2
3 12
4 128
5 1920
6 37056
7 874496
8 24395776
9 785387520
10 28658483200
11 1168842842112
12 52692107132928
13 2601710674640896
14 139635670319366144
15 8094064830515773440
16 503939620849307353088
17 33539757103898142179328
18 2376284247629812872511488
19 178564437032337539449487360

List of values

[1, 2, 12, 128, 1920, 37056, 874496, 24395776, 785387520, 28658483200, 1168842842112, 52692107132928, 2601710674640896, 139635670319366144, 8094064830515773440, 503939620849307353088, 33539757103898142179328, 2376284247629812872511488, 178564437032337539449487360]