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.

A117216 Number of points in the standard root system version of the D_4 lattice having L_infinity norm n.

Table of values

n a(n)
0 1
1 40
2 272
3 888
4 2080
5 4040
6 6960
7 11032
8 16448
9 23400
10 32080
11 42680
12 55392
13 70408
14 87920
15 108120
16 131200
17 157352
18 186768
19 219640
20 256160
21 296520
22 340912
23 389528
24 442560
25 500200
26 562640
27 630072
28 702688
29 780680
30 864240
31 953560
32 1048832
33 1150248
34 1258000
35 1372280

List of values

[1, 40, 272, 888, 2080, 4040, 6960, 11032, 16448, 23400, 32080, 42680, 55392, 70408, 87920, 108120, 131200, 157352, 186768, 219640, 256160, 296520, 340912, 389528, 442560, 500200, 562640, 630072, 702688, 780680, 864240, 953560, 1048832, 1150248, 1258000, 1372280]