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.

A023822 Sum of exponents in prime-power factorization of C(3n,n-3).

Table of values

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

List of values

[0, 3, 3, 6, 5, 7, 7, 10, 9, 10, 9, 12, 9, 12, 12, 14, 13, 15, 12, 19, 15, 17, 17, 18, 18, 20, 19, 20, 16, 21, 20, 23, 20, 21, 20, 23, 18, 23, 21, 25, 26, 27, 27, 30, 27, 28, 28, 31, 27, 31, 27, 33, 31, 33, 31, 32, 31, 33, 31, 34, 30, 36, 34, 34, 31, 33, 31, 37, 32, 35, 34, 37, 36, 37, 37, 39, 35, 37]