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.

A245818 Difference in size between rooted trees which are encoded with Matula-Goebel numbers A245822(n) and n: a(n) = A061775(A245822(n)) - A061775(n).

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 1
9 -1
10 0
11 0
12 0
13 0
14 2
15 -1
16 2
17 0
18 0
19 1
20 0
21 1
22 2
23 -1
24 0
25 -1
26 2
27 -1
28 1
29 0
30 -1
31 0
32 2
33 1
34 2
35 1
36 -1
37 0
38 1
39 1
40 2
41 0
42 0
43 2
44 2
45 -1
46 -1
47 -1
48 0
49 1
50 -1
51 1
52 0
53 2
54 -1
55 -1
56 1
57 0
58 3
59 0
60 0
61 0
62 3
63 -1
64 0
65 0
66 0
67 1
68 3
69 -2
70 0
71 0
72 0
73 1
74 2
75 -1
76 2
77 3
78 0
79 2
80 2
81 -4
82 1
83 -1
84 1
85 3
86 4
87 -1
88 0
89 0
90 -2
91 1
92 0
93 1
94 1
95 0
96 0
97 -1
98 1
99 1
100 0

List of values

[0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 2, -1, 2, 0, 0, 1, 0, 1, 2, -1, 0, -1, 2, -1, 1, 0, -1, 0, 2, 1, 2, 1, -1, 0, 1, 1, 2, 0, 0, 2, 2, -1, -1, -1, 0, 1, -1, 1, 0, 2, -1, -1, 1, 0, 3, 0, 0, 0, 3, -1, 0, 0, 0, 1, 3, -2, 0, 0, 0, 1, 2, -1, 2, 3, 0, 2, 2, -4, 1, -1, 1, 3, 4, -1, 0, 0, -2, 1, 0, 1, 1, 0, 0, -1, 1, 1, 0]