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.

A107266 Expansion of (1-6*x-sqrt((1-6*x)^2-4*6*x^2))/(2*6*x^2).

Table of values

n a(n)
0 1
1 6
2 42
3 324
4 2664
5 22896
6 203256
7 1849392
8 17156448
9 161663040
10 1543053888
11 14887836288
12 144963737856
13 1422685140480
14 14058304458624
15 139754913276672
16 1396721001457152
17 14025182471414784
18 141432971217841152
19 1431708373864249344
20 14543342842406252544
21 148198801896234491904

List of values

[1, 6, 42, 324, 2664, 22896, 203256, 1849392, 17156448, 161663040, 1543053888, 14887836288, 144963737856, 1422685140480, 14058304458624, 139754913276672, 1396721001457152, 14025182471414784, 141432971217841152, 1431708373864249344, 14543342842406252544, 148198801896234491904]