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.

A003450 Number of nonequivalent dissections of an n-gon into n-4 polygons by nonintersecting diagonals up to rotation and reflection.

Table of values

n a(n)
5 1
6 2
7 6
8 24
9 89
10 371
11 1478
12 6044
13 24302
14 98000
15 392528
16 1570490
17 6264309
18 24954223
19 99253318
20 394409402
21 1565986466
22 6214173156
23 24647935156
24 97732340680
25 387428854374
26 1535588541762
27 6085702368796
28 24116801236744
29 95569050564444
30 378718095630676

List of values

[1, 2, 6, 24, 89, 371, 1478, 6044, 24302, 98000, 392528, 1570490, 6264309, 24954223, 99253318, 394409402, 1565986466, 6214173156, 24647935156, 97732340680, 387428854374, 1535588541762, 6085702368796, 24116801236744, 95569050564444, 378718095630676]

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

Content is available under The OEIS End-User License Agreement.