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.

A291023 p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - 3 S^2 + 2 S^3.

Table of values

n a(n)
0 0
1 3
2 4
3 12
4 24
5 56
6 120
7 264
8 568
9 1224
10 2616
11 5576
12 11832
13 25032
14 52792
15 111048
16 233016
17 487880
18 1019448
19 2126280
20 4427320
21 9204168
22 19107384
23 39612872
24 82021944
25 169636296
26 350457400
27 723284424
28 1491308088
29 3072094664
30 6323146296
31 13004206536
32 26724240952

List of values

[0, 3, 4, 12, 24, 56, 120, 264, 568, 1224, 2616, 5576, 11832, 25032, 52792, 111048, 233016, 487880, 1019448, 2126280, 4427320, 9204168, 19107384, 39612872, 82021944, 169636296, 350457400, 723284424, 1491308088, 3072094664, 6323146296, 13004206536, 26724240952]