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.

A059226 Triangle T(n,k) (0 <= k <= n) read by rows: top entry is 1, all other rows begin with 0; typical entry is sum of entry to left plus sum of all entries above it in the triangle.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 2
5 4
6 0
7 4
8 12
9 18
10 0
11 8
12 32
13 70
14 94
15 0
16 16
17 80
18 224
19 426
20 544
21 0
22 32
23 192
24 648
25 1536
26 2708
27 3370
28 0
29 64
30 448
31 1760
32 4920
33 10596
34 17846
35 21878
36 0
37 128
38 1024
39 4576
40 14624
41 36552
42 74040
43 121014
44 146924
45 0
46 256
47 2304
48 11520
49 41248

List of values

[1, 0, 1, 0, 2, 4, 0, 4, 12, 18, 0, 8, 32, 70, 94, 0, 16, 80, 224, 426, 544, 0, 32, 192, 648, 1536, 2708, 3370, 0, 64, 448, 1760, 4920, 10596, 17846, 21878, 0, 128, 1024, 4576, 14624, 36552, 74040, 121014, 146924, 0, 256, 2304, 11520, 41248]