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.

A077435 Number of right triangles whose vertices are lattice points in {1,2,...,n} X {1,2,...,n}.

Table of values

n a(n)
1 0
2 4
3 44
4 200
5 596
6 1444
7 2960
8 5520
9 9496
10 15332
11 23596
12 34936
13 50020
14 69732
15 94816
16 126176
17 164960
18 212372
19 269620
20 337960
21 418716
22 513444
23 623736
24 751152
25 897776
26 1065220
27 1255460
28 1470680
29 1713052
30 1984564
31 2288304
32 2626160
33 3000960
34 3415124
35 3871108

List of values

[0, 4, 44, 200, 596, 1444, 2960, 5520, 9496, 15332, 23596, 34936, 50020, 69732, 94816, 126176, 164960, 212372, 269620, 337960, 418716, 513444, 623736, 751152, 897776, 1065220, 1255460, 1470680, 1713052, 1984564, 2288304, 2626160, 3000960, 3415124, 3871108]