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.

A100583 Number of triangles in an n X n grid of squares with diagonals.

Table of values

n a(n)
0 0
1 8
2 44
3 124
4 268
5 492
6 816
7 1256
8 1832
9 2560
10 3460
11 4548
12 5844
13 7364
14 9128
15 11152
16 13456
17 16056
18 18972
19 22220
20 25820
21 29788
22 34144
23 38904
24 44088
25 49712
26 55796
27 62356
28 69412
29 76980
30 85080
31 93728
32 102944
33 112744
34 123148
35 134172
36 145836

List of values

[0, 8, 44, 124, 268, 492, 816, 1256, 1832, 2560, 3460, 4548, 5844, 7364, 9128, 11152, 13456, 16056, 18972, 22220, 25820, 29788, 34144, 38904, 44088, 49712, 55796, 62356, 69412, 76980, 85080, 93728, 102944, 112744, 123148, 134172, 145836]