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.

A023849 Sum of exponents in prime-power factorization of binomial(5n, 2n-2).

Table of values

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

List of values

[0, 3, 4, 7, 7, 8, 11, 13, 11, 11, 13, 15, 17, 18, 18, 18, 19, 18, 18, 25, 20, 21, 24, 26, 24, 27, 28, 28, 29, 29, 31, 33, 30, 30, 33, 34, 32, 36, 37, 38, 36, 34, 33, 37, 38, 36, 39, 40, 40, 42, 40, 47, 45, 45, 47, 48, 45, 47, 49, 52, 50, 52, 52, 51, 51, 50, 50, 54, 52, 52, 57, 58, 55, 56, 57, 60, 63]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.