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.

A135094 a(n) = 2*a(n-1) + 2*a(n-2) - 4*a(n-3) with n>2, a(0)=0, a(1)=1, a(2)=3.

Table of values

n a(n)
0 0
1 1
2 3
3 8
4 18
5 40
6 84
7 176
8 360
9 736
10 1488
11 3008
12 6048
13 12160
14 24384
15 48896
16 97920
17 196096
18 392448
19 785408
20 1571328
21 3143680
22 6288384
23 12578816
24 25159680
25 50323456
26 100651008
27 201310208
28 402628608
29 805273600
30 1610563584
31 3221159936

List of values

[0, 1, 3, 8, 18, 40, 84, 176, 360, 736, 1488, 3008, 6048, 12160, 24384, 48896, 97920, 196096, 392448, 785408, 1571328, 3143680, 6288384, 12578816, 25159680, 50323456, 100651008, 201310208, 402628608, 805273600, 1610563584, 3221159936]