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.

A099573 Reverse of number triangle A054450.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 3
9 3
10 1
11 1
12 4
13 4
14 5
15 1
16 1
17 5
18 5
19 8
20 8
21 1
22 1
23 6
24 6
25 12
26 12
27 13
28 1
29 1
30 7
31 7
32 17
33 17
34 21
35 21
36 1
37 1
38 8
39 8
40 23
41 23
42 33
43 33
44 34
45 1
46 1
47 9
48 9
49 30
50 30
51 50
52 50
53 55
54 55
55 1
56 1
57 10
58 10
59 38
60 38
61 73
62 73
63 88
64 88
65 89
66 1
67 1
68 11
69 11
70 47
71 47
72 103
73 103
74 138
75 138
76 144
77 144
78 1
79 1
80 12
81 12
82 57
83 57
84 141
85 141
86 211
87 211
88 232
89 232
90 233

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 4, 5, 1, 1, 5, 5, 8, 8, 1, 1, 6, 6, 12, 12, 13, 1, 1, 7, 7, 17, 17, 21, 21, 1, 1, 8, 8, 23, 23, 33, 33, 34, 1, 1, 9, 9, 30, 30, 50, 50, 55, 55, 1, 1, 10, 10, 38, 38, 73, 73, 88, 88, 89, 1, 1, 11, 11, 47, 47, 103, 103, 138, 138, 144, 144, 1, 1, 12, 12, 57, 57, 141, 141, 211, 211, 232, 232, 233]