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.

A027475 a(n) = (n-1) * 15^(n-2).

Table of values

n a(n)
2 1
3 30
4 675
5 13500
6 253125
7 4556250
8 79734375
9 1366875000
10 23066015625
11 384433593750
12 6343154296875
13 103797070312500
14 1686702392578125
15 27246730957031250
16 437893890380859375
17 7006302246093750000

List of values

[1, 30, 675, 13500, 253125, 4556250, 79734375, 1366875000, 23066015625, 384433593750, 6343154296875, 103797070312500, 1686702392578125, 27246730957031250, 437893890380859375, 7006302246093750000]