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.

A046216 First denominator and then numerator of 1/2-Pascal triangle (by row), excluding 1's.

Table of values

n a(n)
1 2
2 2
3 3
4 2
5 3
6 2
7 5
8 3
9 2
10 5
11 2
12 7
13 2
14 11
15 2
16 11
17 2
18 7
19 2
20 9
21 9
22 11
23 9
24 2
25 9
26 2
27 11
28 2
29 27
30 20
31 20
32 2
33 27
34 2
35 11
36 2
37 13
38 19
39 2
40 67
41 40
42 2
43 67
44 19
45 2
46 13
47 2
48 15
49 2
50 51
51 2
52 105
53 2
54 147
55 2
56 147
57 2
58 105
59 2
60 51
61 2
62 15
63 2
64 17
65 33
66 78
67 126
68 147
69 126
70 78
71 33
72 2
73 17
74 2

List of values

[2, 2, 3, 2, 3, 2, 5, 3, 2, 5, 2, 7, 2, 11, 2, 11, 2, 7, 2, 9, 9, 11, 9, 2, 9, 2, 11, 2, 27, 20, 20, 2, 27, 2, 11, 2, 13, 19, 2, 67, 40, 2, 67, 19, 2, 13, 2, 15, 2, 51, 2, 105, 2, 147, 2, 147, 2, 105, 2, 51, 2, 15, 2, 17, 33, 78, 126, 147, 126, 78, 33, 2, 17, 2]

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

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