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.

A189749 a(1)=5, a(2)=5, a(n)=5*a(n-1) + 5*a(n-2).

Table of values

n a(n)
1 5
2 5
3 50
4 275
5 1625
6 9500
7 55625
8 325625
9 1906250
10 11159375
11 65328125
12 382437500
13 2238828125
14 13106328125
15 76725781250
16 449160546875
17 2629431640625
18 15392960937500
19 90111962890625
20 527524619140625
21 3088182910156250
22 18078537646484375
23 105833602783203125

List of values

[5, 5, 50, 275, 1625, 9500, 55625, 325625, 1906250, 11159375, 65328125, 382437500, 2238828125, 13106328125, 76725781250, 449160546875, 2629431640625, 15392960937500, 90111962890625, 527524619140625, 3088182910156250, 18078537646484375, 105833602783203125]