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.

A289414 a(n) = ((10-sqrt(10))^n + (10+sqrt(10))^n) / 2.

Table of values

n a(n)
0 1
1 10
2 110
3 1300
4 16100
5 205000
6 2651000
7 34570000
8 452810000
9 5944900000
10 78145100000
11 1027861000000
12 13524161000000
13 177975730000000
14 2342340110000000
15 30828986500000000
16 405769120100000000
17 5340773617000000000
18 70296251531000000000
19 925255405090000000000

List of values

[1, 10, 110, 1300, 16100, 205000, 2651000, 34570000, 452810000, 5944900000, 78145100000, 1027861000000, 13524161000000, 177975730000000, 2342340110000000, 30828986500000000, 405769120100000000, 5340773617000000000, 70296251531000000000, 925255405090000000000]