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.

A147688 a(n) = ((6 + sqrt(8))^n + (6 - sqrt(8))^n)/2.

Table of values

n a(n)
0 1
1 6
2 44
3 360
4 3088
5 26976
6 237248
7 2091648
8 18456832
9 162915840
10 1438198784
11 12696741888
12 112091336704
13 989587267584
14 8736489783296
15 77129433907200
16 680931492954112
17 6011553766047744
18 53072563389857792
19 468547255228956672

List of values

[1, 6, 44, 360, 3088, 26976, 237248, 2091648, 18456832, 162915840, 1438198784, 12696741888, 112091336704, 989587267584, 8736489783296, 77129433907200, 680931492954112, 6011553766047744, 53072563389857792, 468547255228956672]