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.

A270568 Expansion of g.f. (1+4*x)/(1-8*x).

Table of values

n a(n)
0 1
1 12
2 96
3 768
4 6144
5 49152
6 393216
7 3145728
8 25165824
9 201326592
10 1610612736
11 12884901888
12 103079215104
13 824633720832
14 6597069766656
15 52776558133248
16 422212465065984
17 3377699720527872
18 27021597764222976
19 216172782113783808
20 1729382256910270464
21 13835058055282163712

List of values

[1, 12, 96, 768, 6144, 49152, 393216, 3145728, 25165824, 201326592, 1610612736, 12884901888, 103079215104, 824633720832, 6597069766656, 52776558133248, 422212465065984, 3377699720527872, 27021597764222976, 216172782113783808, 1729382256910270464, 13835058055282163712]

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

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