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.

A023834 Sum of exponents in prime-power factorization of C(4n,2n).

Table of values

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

List of values

[0, 2, 3, 5, 6, 6, 7, 11, 9, 11, 12, 12, 13, 15, 14, 15, 15, 16, 15, 18, 17, 20, 22, 22, 22, 23, 22, 23, 22, 23, 25, 28, 25, 25, 29, 28, 28, 32, 30, 32, 31, 30, 31, 34, 34, 34, 34, 36, 35, 37, 34, 36, 38, 38, 38, 40, 38, 41, 42, 42, 40, 44, 46, 44, 43, 43, 44, 46, 42, 46, 47, 47, 46, 48, 47, 50, 51, 50]

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