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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.

A059474 Triangle read by rows: T(n,k) is coefficient of z^n*w^k in 1/(1 - 2*z - 2*w + 2*z*w) read by rows in order 00, 10, 01, 20, 11, 02, ...

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 6
5 4
6 8
7 16
8 16
9 8
10 16
11 40
12 52
13 40
14 16
15 32
16 96
17 152
18 152
19 96
20 32
21 64
22 224
23 416
24 504
25 416
26 224
27 64
28 128
29 512
30 1088
31 1536
32 1536
33 1088
34 512
35 128
36 256
37 1152
38 2752
39 4416
40 5136
41 4416
42 2752
43 1152
44 256
45 512
46 2560
47 6784
48 12160
49 16032
50 16032
51 12160
52 6784
53 2560
54 512

List of values

[1, 2, 2, 4, 6, 4, 8, 16, 16, 8, 16, 40, 52, 40, 16, 32, 96, 152, 152, 96, 32, 64, 224, 416, 504, 416, 224, 64, 128, 512, 1088, 1536, 1536, 1088, 512, 128, 256, 1152, 2752, 4416, 5136, 4416, 2752, 1152, 256, 512, 2560, 6784, 12160, 16032, 16032, 12160, 6784, 2560, 512]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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