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.

A213390 Number of (w,x,y) with all terms in {0,...,n} and max(w,x,y) >= 2*min(w,x,y).

Table of values

n a(n)
0 1
1 7
2 25
3 55
4 109
5 181
6 289
7 421
8 601
9 811
10 1081
11 1387
12 1765
13 2185
14 2689
15 3241
16 3889
17 4591
18 5401
19 6271
20 7261
21 8317
22 9505
23 10765
24 12169
25 13651
26 15289
27 17011
28 18901
29 20881
30 23041
31 25297
32 27745
33 30295
34 33049
35 35911
36 38989
37 42181
38 45601

List of values

[1, 7, 25, 55, 109, 181, 289, 421, 601, 811, 1081, 1387, 1765, 2185, 2689, 3241, 3889, 4591, 5401, 6271, 7261, 8317, 9505, 10765, 12169, 13651, 15289, 17011, 18901, 20881, 23041, 25297, 27745, 30295, 33049, 35911, 38989, 42181, 45601]