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.

A365909 Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(5*k+2) / (5*k+2)! ).

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 6
5 0
6 90
7 1
8 2520
9 72
10 113400
11 5940
12 7484401
13 617760
14 681084014
15 81081000
16 81730916280
17 13232419201
18 12505020896160
19 2639867731518
20 2376002176470000
21 633568693965570
22 548870403972290401
23 180329793856173720
24 151492831528555510516

List of values

[1, 0, 1, 0, 6, 0, 90, 1, 2520, 72, 113400, 5940, 7484401, 617760, 681084014, 81081000, 81730916280, 13232419201, 12505020896160, 2639867731518, 2376002176470000, 633568693965570, 548870403972290401, 180329793856173720, 151492831528555510516]