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.

A211418 a(n) = n!*(floor(n/30))!/((floor(n/2))!*(floor(n/3))!*(floor(n/5))!).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 12
5 60
6 60
7 420
8 840
9 2520
10 2520
11 27720
12 13860
13 180180
14 360360
15 360360
16 720720
17 12252240
18 4084080
19 77597520
20 38798760
21 116396280
22 232792560
23 5354228880
24 1338557220
25 6692786100
26 13385572200
27 40156716600
28 80313433200

List of values

[1, 1, 2, 6, 12, 60, 60, 420, 840, 2520, 2520, 27720, 13860, 180180, 360360, 360360, 720720, 12252240, 4084080, 77597520, 38798760, 116396280, 232792560, 5354228880, 1338557220, 6692786100, 13385572200, 40156716600, 80313433200]