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.

A349295 a(n) is the number of ordered 6-tuples (a_1,a_2,a_3,a_4,a_5,a_6) having all terms in {1,...,n} such that there exists a tetrahedron ABCD with those edge-lengths, taken in a particular order (see comments).

Table of values

n a(n)
0 0
1 1
2 15
3 124
4 603
5 2173
6 6204
7 15201
8 33149
9 66002
10 122410
11 214186
12 357189
13 572385
14 886117
15 1330930
16 1947746
17 2787431
18 3907866
19 5380602
20 7288597
21 9729060
22 12815704
23 16677303
24 21461500
25 27340308
26 34501149
27 43160975
28 53560487
29 65967718
30 80677972
31 98029728

List of values

[0, 1, 15, 124, 603, 2173, 6204, 15201, 33149, 66002, 122410, 214186, 357189, 572385, 886117, 1330930, 1947746, 2787431, 3907866, 5380602, 7288597, 9729060, 12815704, 16677303, 21461500, 27340308, 34501149, 43160975, 53560487, 65967718, 80677972, 98029728]