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.

A161727 a(n) = ((2+sqrt(3))*(4+sqrt(3))^n-(2-sqrt(3))*(4-sqrt(3))^n)/sqrt(12).

Table of values

n a(n)
0 1
1 6
2 35
3 202
4 1161
5 6662
6 38203
7 219018
8 1255505
9 7196806
10 41252883
11 236464586
12 1355429209
13 7769394054
14 44534572715
15 255274459018
16 1463246226849
17 8387401847558
18 48077013831427
19 275579886633162
20 1579637913256745

List of values

[1, 6, 35, 202, 1161, 6662, 38203, 219018, 1255505, 7196806, 41252883, 236464586, 1355429209, 7769394054, 44534572715, 255274459018, 1463246226849, 8387401847558, 48077013831427, 275579886633162, 1579637913256745]