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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.

A134812 a(n) = 2a(n-2) + 4a(n-3), n >= 3.

Table of values

n a(n)
0 0
1 1
2 -1
3 1
4 2
5 -2
6 8
7 4
8 8
9 40
10 32
11 112
12 224
13 352
14 896
15 1600
16 3200
17 6784
18 12800
19 26368
20 52736
21 103936
22 210944
23 418816
24 837632
25 1681408
26 3350528
27 6713344
28 13426688
29 26828800
30 53706752
31 107364352
32 214728704
33 429555712
34 858914816
35 1718026240
36 3436052480
37 6871711744
38 13744209920

List of values

[0, 1, -1, 1, 2, -2, 8, 4, 8, 40, 32, 112, 224, 352, 896, 1600, 3200, 6784, 12800, 26368, 52736, 103936, 210944, 418816, 837632, 1681408, 3350528, 6713344, 13426688, 26828800, 53706752, 107364352, 214728704, 429555712, 858914816, 1718026240, 3436052480, 6871711744, 13744209920]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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