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.

A143699 a(n) = 19*a(n-1) - 41*a(n-2) + 19*a(n-3) - a(n-4).

Table of values

n a(n)
0 0
1 1
2 19
3 319
4 5301
5 88000
6 1460701
7 24245719
8 402446619
9 6680076601
10 110880352000
11 1840465787401
12 30549274537419
13 507077165538919
14 8416803858813901
15 139707705280792000
16 2318961358994380101

List of values

[0, 1, 19, 319, 5301, 88000, 1460701, 24245719, 402446619, 6680076601, 110880352000, 1840465787401, 30549274537419, 507077165538919, 8416803858813901, 139707705280792000, 2318961358994380101]