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.

A228576 A triangle formed like generalized Pascal's triangle. The rule is T(n,k) = 2*T(n-1,k-1) + T(n-1,k), the left border is n and the right border is n^2 instead of 1.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 3
6 4
7 3
8 7
9 10
10 9
11 4
12 13
13 24
14 29
15 16
16 5
17 21
18 50
19 77
20 74
21 25
22 6
23 31
24 92
25 177
26 228
27 173
28 36
29 7
30 43
31 154
32 361
33 582
34 629
35 382
36 49
37 8
38 57
39 240
40 669
41 1304
42 1793
43 1640
44 813
45 64
46 9
47 73
48 354
49 1149
50 2642
51 4401
52 5226
53 4093
54 1690
55 81
56 10
57 91
58 500
59 1857
60 4940
61 9685
62 14028
63 14545
64 9876
65 3461
66 100

List of values

[0, 1, 1, 2, 3, 4, 3, 7, 10, 9, 4, 13, 24, 29, 16, 5, 21, 50, 77, 74, 25, 6, 31, 92, 177, 228, 173, 36, 7, 43, 154, 361, 582, 629, 382, 49, 8, 57, 240, 669, 1304, 1793, 1640, 813, 64, 9, 73, 354, 1149, 2642, 4401, 5226, 4093, 1690, 81, 10, 91, 500, 1857, 4940, 9685, 14028, 14545, 9876, 3461, 100]