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.

A190984 a(n) = 9*a(n-1) - 7*a(n-2), with a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 9
3 74
4 603
5 4909
6 39960
7 325277
8 2647773
9 21553018
10 175442751
11 1428113633
12 11624923440
13 94627515529
14 770273175681
15 6270065972426
16 51038681522067
17 415457671891621
18 3381848276370120
19 27528430784089733
20 224082939122216757
21 1824047436611322682

List of values

[0, 1, 9, 74, 603, 4909, 39960, 325277, 2647773, 21553018, 175442751, 1428113633, 11624923440, 94627515529, 770273175681, 6270065972426, 51038681522067, 415457671891621, 3381848276370120, 27528430784089733, 224082939122216757, 1824047436611322682]