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.

A084902 a(n) = 5^(n-1)*n*(n+1)/2.

Table of values

n a(n)
0 0
1 1
2 15
3 150
4 1250
5 9375
6 65625
7 437500
8 2812500
9 17578125
10 107421875
11 644531250
12 3808593750
13 22216796875
14 128173828125
15 732421875000
16 4150390625000
17 23345947265625
18 130462646484375
19 724792480468750
20 4005432128906250

List of values

[0, 1, 15, 150, 1250, 9375, 65625, 437500, 2812500, 17578125, 107421875, 644531250, 3808593750, 22216796875, 128173828125, 732421875000, 4150390625000, 23345947265625, 130462646484375, 724792480468750, 4005432128906250]