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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.

A059473 Triangle 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 10
5 4
6 8
7 32
8 32
9 8
10 16
11 88
12 148
13 88
14 16
15 32
16 224
17 536
18 536
19 224
20 32
21 64
22 544
23 1696
24 2440
25 1696
26 544
27 64
28 128
29 1280
30 4928
31 9344
32 9344
33 4928
34 1280
35 128
36 256
37 2944
38 13504
39 31936
40 42256
41 31936
42 13504
43 2944
44 256
45 512
46 6656
47 35456
48 100736
49 167072
50 167072
51 100736
52 35456
53 6656
54 512

List of values

[1, 2, 2, 4, 10, 4, 8, 32, 32, 8, 16, 88, 148, 88, 16, 32, 224, 536, 536, 224, 32, 64, 544, 1696, 2440, 1696, 544, 64, 128, 1280, 4928, 9344, 9344, 4928, 1280, 128, 256, 2944, 13504, 31936, 42256, 31936, 13504, 2944, 256, 512, 6656, 35456, 100736, 167072, 167072, 100736, 35456, 6656, 512]

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

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