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.

A001084 a(n) = 20*a(n-1) - a(n-2) with a(0) = 0, a(1) = 3.

Table of values

n a(n)
0 0
1 3
2 60
3 1197
4 23880
5 476403
6 9504180
7 189607197
8 3782639760
9 75463188003
10 1505481120300
11 30034159217997
12 599177703239640
13 11953519905574803
14 238471220408256420
15 4757470888259553597
16 94910946544782815520
17 1893461460007396756803
18 37774318253603152320540

List of values

[0, 3, 60, 1197, 23880, 476403, 9504180, 189607197, 3782639760, 75463188003, 1505481120300, 30034159217997, 599177703239640, 11953519905574803, 238471220408256420, 4757470888259553597, 94910946544782815520, 1893461460007396756803, 37774318253603152320540]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.