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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.

A023837 Sum of exponents in prime-power factorization of C(5n,n).

Table of values

n a(n)
0 0
1 1
2 3
3 3
4 4
5 6
6 7
7 8
8 8
9 7
10 9
11 12
12 11
13 14
14 13
15 14
16 12
17 15
18 14
19 15
20 18
21 17
22 17
23 19
24 18
25 17
26 23
27 22
28 21
29 25
30 23
31 26
32 21
33 23
34 22
35 24
36 23
37 24
38 27
39 27
40 27
41 27
42 29
43 27
44 28
45 31
46 30
47 33
48 28
49 31
50 32
51 33
52 36
53 38
54 36
55 38
56 37
57 35
58 39
59 40
60 41
61 41
62 41
63 39
64 34
65 38
66 38
67 38
68 39
69 41
70 39
71 46
72 41
73 43
74 45
75 43
76 45
77 48
78 47

List of values

[0, 1, 3, 3, 4, 6, 7, 8, 8, 7, 9, 12, 11, 14, 13, 14, 12, 15, 14, 15, 18, 17, 17, 19, 18, 17, 23, 22, 21, 25, 23, 26, 21, 23, 22, 24, 23, 24, 27, 27, 27, 27, 29, 27, 28, 31, 30, 33, 28, 31, 32, 33, 36, 38, 36, 38, 37, 35, 39, 40, 41, 41, 41, 39, 34, 38, 38, 38, 39, 41, 39, 46, 41, 43, 45, 43, 45, 48, 47]

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