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.

A169725 a(n) = 3^(n-1)*(6*3^(n-1) + 5) + 1.

Table of values

n a(n)
1 12
2 70
3 532
4 4510
5 39772
6 355510
7 3192292
8 28708750
9 258313132
10 2324621350
11 20921001652
12 188287243390
13 1694579876092
14 15251202941590
15 137260778644612
16 1235346864312430
17 11118121348344652
18 100063090843700230
19 900567813719097172
20 8105110311849259870

List of values

[12, 70, 532, 4510, 39772, 355510, 3192292, 28708750, 258313132, 2324621350, 20921001652, 188287243390, 1694579876092, 15251202941590, 137260778644612, 1235346864312430, 11118121348344652, 100063090843700230, 900567813719097172, 8105110311849259870]