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.

A122652 a(0) = 0, a(1) = 4; for n > 1, a(n) = 10*a(n-1) - a(n-2).

Table of values

n a(n)
0 0
1 4
2 40
3 396
4 3920
5 38804
6 384120
7 3802396
8 37639840
9 372596004
10 3688320200
11 36510605996
12 361417739760
13 3577666791604
14 35415250176280
15 350574834971196
16 3470333099535680
17 34352756160385604
18 340057228504320360
19 3366219528882817996
20 33322138060323859600

List of values

[0, 4, 40, 396, 3920, 38804, 384120, 3802396, 37639840, 372596004, 3688320200, 36510605996, 361417739760, 3577666791604, 35415250176280, 350574834971196, 3470333099535680, 34352756160385604, 340057228504320360, 3366219528882817996, 33322138060323859600]