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.

A333282 Triangle read by rows: T(m,n) (m >= n >= 1) = number of regions formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid.

Table of values

n a(n)
1 4
2 16
3 56
4 46
5 192
6 624
7 104
8 428
9 1416
10 3288
11 214
12 942
13 3178
14 7520
15 16912
16 380
17 1672
18 5612
19 13188
20 29588
21 51864
22 648
23 2940
24 9926
25 23368
26 52368
27 92518
28 164692
29 1028
30 4624
31 15732
32 37184
33 83628
34 148292
35 263910
36 422792
37 1562
38 7160
39 24310
40 57590
41 130034
42 230856
43 410402
44 658080
45 1023416

List of values

[4, 16, 56, 46, 192, 624, 104, 428, 1416, 3288, 214, 942, 3178, 7520, 16912, 380, 1672, 5612, 13188, 29588, 51864, 648, 2940, 9926, 23368, 52368, 92518, 164692, 1028, 4624, 15732, 37184, 83628, 148292, 263910, 422792, 1562, 7160, 24310, 57590, 130034, 230856, 410402, 658080, 1023416]