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.

A155199 a(n) = 10*a(n-1) + a(n-2), n > 2 ; a(0) = 1, a(1) = 9, a(2) = 90.

Table of values

n a(n)
0 1
1 9
2 90
3 909
4 9180
5 92709
6 936270
7 9455409
8 95490360
9 964359009
10 9739080450
11 98355163509
12 993290715540
13 10031262318909
14 101305913904630
15 1023090401365209
16 10332209927556720
17 104345189676932409
18 1053784106696880810
19 10642186256645740509
20 107475646673154285900

List of values

[1, 9, 90, 909, 9180, 92709, 936270, 9455409, 95490360, 964359009, 9739080450, 98355163509, 993290715540, 10031262318909, 101305913904630, 1023090401365209, 10332209927556720, 104345189676932409, 1053784106696880810, 10642186256645740509, 107475646673154285900]