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.

A023829 Sum of exponents in prime-power factorization of C(4n,n-3).

Table of values

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

List of values

[0, 4, 3, 5, 6, 8, 9, 9, 6, 10, 10, 13, 11, 15, 14, 15, 13, 17, 14, 17, 15, 19, 20, 18, 18, 21, 19, 21, 17, 24, 23, 26, 22, 26, 25, 25, 24, 28, 27, 26, 25, 28, 27, 29, 26, 31, 31, 33, 29, 34, 28, 31, 30, 33, 33, 32, 30, 34, 35, 37, 34, 42, 41, 41, 37, 40, 38, 42, 37, 44, 42, 41, 42, 45, 45, 46, 43, 45]

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