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.

A046816 Pascal's tetrahedron: entries in 3-dimensional version of Pascal triangle, or trinomial coefficients.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 2
7 1
8 2
9 1
10 1
11 3
12 3
13 3
14 6
15 3
16 1
17 3
18 3
19 1
20 1
21 4
22 4
23 6
24 12
25 6
26 4
27 12
28 12
29 4
30 1
31 4
32 6
33 4
34 1
35 1
36 5
37 5
38 10
39 20
40 10
41 10
42 30
43 30
44 10
45 5
46 20
47 30
48 20
49 5
50 1
51 5
52 10
53 10
54 5
55 1
56 1
57 6
58 6
59 15
60 30
61 15
62 20
63 60
64 60
65 20
66 15
67 60
68 90
69 60
70 15
71 6
72 30
73 60
74 60
75 30
76 6
77 1
78 6
79 15
80 20
81 15
82 6
83 1

List of values

[1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 3, 3, 3, 6, 3, 1, 3, 3, 1, 1, 4, 4, 6, 12, 6, 4, 12, 12, 4, 1, 4, 6, 4, 1, 1, 5, 5, 10, 20, 10, 10, 30, 30, 10, 5, 20, 30, 20, 5, 1, 5, 10, 10, 5, 1, 1, 6, 6, 15, 30, 15, 20, 60, 60, 20, 15, 60, 90, 60, 15, 6, 30, 60, 60, 30, 6, 1, 6, 15, 20, 15, 6, 1]