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.

A168648 a(n) = (10*2^n + 2*(-1)^n)/3 for n > 0; a(0) = 1.

Table of values

n a(n)
0 1
1 6
2 14
3 26
4 54
5 106
6 214
7 426
8 854
9 1706
10 3414
11 6826
12 13654
13 27306
14 54614
15 109226
16 218454
17 436906
18 873814
19 1747626
20 3495254
21 6990506
22 13981014
23 27962026
24 55924054
25 111848106
26 223696214
27 447392426
28 894784854
29 1789569706
30 3579139414

List of values

[1, 6, 14, 26, 54, 106, 214, 426, 854, 1706, 3414, 6826, 13654, 27306, 54614, 109226, 218454, 436906, 873814, 1747626, 3495254, 6990506, 13981014, 27962026, 55924054, 111848106, 223696214, 447392426, 894784854, 1789569706, 3579139414]