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.

A364368 An irregular triangle read by rows, the 5th row-symmetric Fibonaccian triangle: T(n,k) is the Whitney number of level k of the (5,n)-th symmetric Fibonaccian lattice (0 <= n, 0 <= k <= 4*n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 4
10 4
11 4
12 3
13 2
14 1
15 1
16 3
17 6
18 10
19 13
20 16
21 17
22 16
23 13
24 10
25 6
26 3
27 1
28 1
29 4
30 10
31 20
32 32
33 46
34 59
35 68
36 71
37 68
38 59
39 46
40 32
41 20
42 10
43 4
44 1
45 1
46 5
47 15
48 35
49 66
50 109
51 161
52 215
53 263
54 296
55 308
56 296
57 263
58 215
59 161
60 109
61 66
62 35
63 15
64 5
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 4, 4, 3, 2, 1, 1, 3, 6, 10, 13, 16, 17, 16, 13, 10, 6, 3, 1, 1, 4, 10, 20, 32, 46, 59, 68, 71, 68, 59, 46, 32, 20, 10, 4, 1, 1, 5, 15, 35, 66, 109, 161, 215, 263, 296, 308, 296, 263, 215, 161, 109, 66, 35, 15, 5, 1]