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.

A103448 a(n) = Sum_{k=0..n} Moebius(binomial(n,k)).

Table of values

n a(n)
0 1
1 2
2 1
3 0
4 3
5 2
6 6
7 4
8 1
9 2
10 6
11 4
12 0
13 -6
14 8
15 6
16 2
17 -2
18 2
19 -4
20 4
21 10
22 4
23 8
24 0
25 4
26 8
27 2
28 4
29 0
30 -2
31 -4
32 2
33 4
34 0
35 4
36 2
37 -4
38 10
39 4
40 0
41 -8
42 6
43 -2
44 4
45 -4
46 8
47 2
48 2
49 2
50 2
51 4
52 6
53 2
54 0
55 6
56 2
57 2
58 2
59 -6
60 0
61 6
62 4
63 8
64 2
65 4
66 2
67 0
68 0
69 8
70 -4
71 -2
72 2
73 4
74 2
75 0
76 -2
77 14
78 10
79 -2
80 2
81 2
82 4
83 2
84 4
85 -2
86 0
87 8
88 4
89 2
90 2
91 -2
92 6
93 0
94 -6
95 14
96 2
97 0
98 2
99 2
100 2
101 4
102 0
103 2
104 -2

List of values

[1, 2, 1, 0, 3, 2, 6, 4, 1, 2, 6, 4, 0, -6, 8, 6, 2, -2, 2, -4, 4, 10, 4, 8, 0, 4, 8, 2, 4, 0, -2, -4, 2, 4, 0, 4, 2, -4, 10, 4, 0, -8, 6, -2, 4, -4, 8, 2, 2, 2, 2, 4, 6, 2, 0, 6, 2, 2, 2, -6, 0, 6, 4, 8, 2, 4, 2, 0, 0, 8, -4, -2, 2, 4, 2, 0, -2, 14, 10, -2, 2, 2, 4, 2, 4, -2, 0, 8, 4, 2, 2, -2, 6, 0, -6, 14, 2, 0, 2, 2, 2, 4, 0, 2, -2]