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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.

A092898 Expansion of (1 - 4*x + 4*x^2 - 4*x^3)/(1 - 4*x).

Table of values

n a(n)
0 1
1 0
2 4
3 12
4 48
5 192
6 768
7 3072
8 12288
9 49152
10 196608
11 786432
12 3145728
13 12582912
14 50331648
15 201326592
16 805306368
17 3221225472
18 12884901888
19 51539607552
20 206158430208
21 824633720832
22 3298534883328
23 13194139533312
24 52776558133248

List of values

[1, 0, 4, 12, 48, 192, 768, 3072, 12288, 49152, 196608, 786432, 3145728, 12582912, 50331648, 201326592, 805306368, 3221225472, 12884901888, 51539607552, 206158430208, 824633720832, 3298534883328, 13194139533312, 52776558133248]

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

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