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.

A005701 Number of exterior points formed by extending diagonals of n-gon in general position.

Table of values

n a(n)
0 3
1 14
2 40
3 90
4 175
5 308
6 504
7 780
8 1155
9 1650
10 2288
11 3094
12 4095
13 5320
14 6800
15 8568
16 10659
17 13110
18 15960
19 19250
20 23023
21 27324
22 32200
23 37700
24 43875
25 50778
26 58464
27 66990
28 76415
29 86800
30 98208
31 110704
32 124355

List of values

[3, 14, 40, 90, 175, 308, 504, 780, 1155, 1650, 2288, 3094, 4095, 5320, 6800, 8568, 10659, 13110, 15960, 19250, 23023, 27324, 32200, 37700, 43875, 50778, 58464, 66990, 76415, 86800, 98208, 110704, 124355]

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

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