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.

A213483 Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| >= w+x+y.

Table of values

n a(n)
0 1
1 5
2 13
3 23
4 38
5 55
6 78
7 103
8 135
9 169
10 211
11 255
12 308
13 363
14 428
15 495
16 573
17 653
18 745
19 839
20 946
21 1055
22 1178
23 1303
24 1443
25 1585
26 1743
27 1903
28 2080
29 2259
30 2456
31 2655
32 2873
33 3093
34 3333
35 3575
36 3838
37 4103
38 4390
39 4679
40 4991
41 5305
42 5643
43 5983
44 6348

List of values

[1, 5, 13, 23, 38, 55, 78, 103, 135, 169, 211, 255, 308, 363, 428, 495, 573, 653, 745, 839, 946, 1055, 1178, 1303, 1443, 1585, 1743, 1903, 2080, 2259, 2456, 2655, 2873, 3093, 3333, 3575, 3838, 4103, 4390, 4679, 4991, 5305, 5643, 5983, 6348]