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.

A202853 Triangle read by rows: T(n,k) is the number of k-matchings of the rooted tree having Matula-Goebel number n (n>=1, k>=0).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 2
8 1
9 3
10 1
11 1
12 3
13 1
14 1
15 3
16 1
17 3
18 1
19 4
20 3
21 1
22 4
23 3
24 1
25 4
26 3
27 1
28 4
29 2
30 1
31 4
32 2
33 1
34 4
35 2
36 1
37 5
38 6
39 1
40 1
41 4
42 1
43 4
44 2
45 1
46 5
47 5
48 1
49 1
50 4
51 1
52 5
53 5
54 1
55 5
56 5
57 1
58 5
59 6
60 1
61 1
62 5
63 5
64 1
65 1
66 5
67 3
68 1
69 6
70 10
71 4
72 1
73 5
74 5
75 1
76 1
77 6
78 9
79 4
80 1
81 5
82 4
83 1
84 5
85 5
86 1
87 6
88 9
89 3
90 1
91 5
92 6
93 1
94 1
95 5
96 1
97 6
98 10
99 4
100 1
101 5
102 5
103 1
104 6
105 9
106 2

List of values

[1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 1, 3, 1, 1, 3, 1, 3, 1, 4, 3, 1, 4, 3, 1, 4, 3, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 5, 6, 1, 1, 4, 1, 4, 2, 1, 5, 5, 1, 1, 4, 1, 5, 5, 1, 5, 5, 1, 5, 6, 1, 1, 5, 5, 1, 1, 5, 3, 1, 6, 10, 4, 1, 5, 5, 1, 1, 6, 9, 4, 1, 5, 4, 1, 5, 5, 1, 6, 9, 3, 1, 5, 6, 1, 1, 5, 1, 6, 10, 4, 1, 5, 5, 1, 6, 9, 2]