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.

A023836 Sum of exponents in prime-power factorization of C(4n,2n-2).

Table of values

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

List of values

[0, 3, 4, 6, 6, 8, 8, 11, 11, 12, 11, 14, 13, 16, 13, 17, 14, 18, 15, 19, 20, 21, 21, 23, 23, 22, 22, 24, 22, 27, 22, 29, 26, 28, 27, 31, 29, 31, 31, 31, 31, 32, 32, 35, 34, 35, 32, 39, 34, 37, 35, 38, 37, 40, 37, 41, 40, 42, 40, 43, 43, 44, 43, 46, 43, 45, 42, 46, 45, 48, 43, 50, 46, 48, 50, 50, 50]

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