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.

A052278 a(n) = (4n+3)!/4^n.

Table of values

n a(n)
0 6
1 1260
2 2494800
3 20432412000
4 475176173472000
5 25246110096567360000
6 2658415393168543008000000
7 501882242076289234480320000000
8 157671325170687025904337331200000000
9 77811744999685071405945898971187200000000
10 57616484702466807973246700352205274112000000000

List of values

[6, 1260, 2494800, 20432412000, 475176173472000, 25246110096567360000, 2658415393168543008000000, 501882242076289234480320000000, 157671325170687025904337331200000000, 77811744999685071405945898971187200000000, 57616484702466807973246700352205274112000000000]