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.

A203162 (n-1)-st elementary symmetric function of the first n terms of (1,2,3,1,2,3,1,2,3,...).

Table of values

n a(n)
1 1
2 3
3 11
4 17
5 40
6 132
7 168
8 372
9 1188
10 1404
11 3024
12 9504
13 10800
14 22896
15 71280
16 79056
17 165888
18 513216
19 559872
20 1166400
21 3592512
22 3872448
23 8024832
24 24634368
25 26313984
26 54307584
27 166281984
28 176359680
29 362797056
30 1108546560
31 1169012736

List of values

[1, 3, 11, 17, 40, 132, 168, 372, 1188, 1404, 3024, 9504, 10800, 22896, 71280, 79056, 165888, 513216, 559872, 1166400, 3592512, 3872448, 8024832, 24634368, 26313984, 54307584, 166281984, 176359680, 362797056, 1108546560, 1169012736]

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

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