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.

A240769 Triangle read by rows: T(1,1) = 1; T(n+1,k) = T(n,k+1), 1 <= k < n; T(n+1,n) = 2*T(n,1); T(n+1,n+1) = 2*T(n,1) - 1.

Table of values

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

List of values

[1, 2, 1, 1, 4, 3, 4, 3, 2, 1, 3, 2, 1, 8, 7, 2, 1, 8, 7, 6, 5, 1, 8, 7, 6, 5, 4, 3, 8, 7, 6, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 16, 15, 6, 5, 4, 3, 2, 1, 16, 15, 14, 13, 5, 4, 3, 2, 1, 16, 15, 14, 13, 12, 11, 4, 3, 2, 1, 16, 15, 14, 13, 12, 11, 10, 9, 3, 2]