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.

A190954 a(n) = 10*a(n-1) + 4*a(n-2), with a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 10
3 104
4 1080
5 11216
6 116480
7 1209664
8 12562560
9 130464256
10 1354892800
11 14070785024
12 146127421440
13 1517557354496
14 15760083230720
15 163671061725184
16 1699750950174720
17 17652193748647936
18 183320941287178240
19 1903818187866374144
20 19771465643812454400

List of values

[0, 1, 10, 104, 1080, 11216, 116480, 1209664, 12562560, 130464256, 1354892800, 14070785024, 146127421440, 1517557354496, 15760083230720, 163671061725184, 1699750950174720, 17652193748647936, 183320941287178240, 1903818187866374144, 19771465643812454400]