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.

A139821 Triangle T(i,j) read by rows: T(i,1) = Fibonacci(i) for all i; T(i,i) = i for all i; T(i,j) = T(i-1,j) + T(i-2,j) + T(i-1,j-1) - T(i-2,j-1).

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 2
6 3
7 3
8 5
9 3
10 4
11 5
12 8
13 9
14 4
15 5
16 8
17 15
18 15
19 14
20 5
21 6
22 13
23 26
24 31
25 24
26 20
27 6
28 7
29 21
30 46
31 57
32 54
33 35
34 27
35 7
36 8
37 34
38 80
39 108
40 104
41 85
42 48
43 35
44 8
45 9
46 55
47 139
48 199
49 209
50 170
51 125
52 63
53 44
54 9
55 10
56 89
57 240
58 366
59 404
60 360
61 258
62 175
63 80
64 54
65 10
66 11

List of values

[1, 1, 2, 2, 2, 3, 3, 5, 3, 4, 5, 8, 9, 4, 5, 8, 15, 15, 14, 5, 6, 13, 26, 31, 24, 20, 6, 7, 21, 46, 57, 54, 35, 27, 7, 8, 34, 80, 108, 104, 85, 48, 35, 8, 9, 55, 139, 199, 209, 170, 125, 63, 44, 9, 10, 89, 240, 366, 404, 360, 258, 175, 80, 54, 10, 11]