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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.

A023848 Sum of exponents in prime-power factorization of binomial(5n, 2n-1).

Table of values

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

List of values

[1, 5, 4, 8, 6, 10, 11, 13, 11, 15, 13, 16, 16, 18, 18, 20, 18, 20, 18, 25, 21, 23, 22, 27, 24, 30, 28, 28, 28, 31, 32, 33, 29, 33, 32, 36, 32, 36, 37, 39, 35, 40, 32, 37, 38, 38, 39, 40, 40, 43, 41, 48, 44, 47, 47, 49, 45, 50, 47, 53, 50, 53, 50, 52, 50, 54, 50, 52, 53, 54, 57, 58, 55, 59, 57, 62]

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