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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.

A368826 Square array T(n,k) = 3*2^k - n read by ascending antidiagonals.

Table of values

n a(n)
0 3
1 2
2 6
3 1
4 5
5 12
6 0
7 4
8 11
9 24
10 -1
11 3
12 10
13 23
14 48
15 -2
16 2
17 9
18 22
19 47
20 96
21 -3
22 1
23 8
24 21
25 46
26 95
27 192
28 -4
29 0
30 7
31 20
32 45
33 94
34 191
35 384
36 -5
37 -1
38 6
39 19
40 44
41 93
42 190
43 383
44 768
45 -6
46 -2
47 5
48 18
49 43
50 92
51 189
52 382
53 767
54 1536
55 -7
56 -3
57 4
58 17
59 42
60 91
61 188
62 381
63 766
64 1535
65 3072

List of values

[3, 2, 6, 1, 5, 12, 0, 4, 11, 24, -1, 3, 10, 23, 48, -2, 2, 9, 22, 47, 96, -3, 1, 8, 21, 46, 95, 192, -4, 0, 7, 20, 45, 94, 191, 384, -5, -1, 6, 19, 44, 93, 190, 383, 768, -6, -2, 5, 18, 43, 92, 189, 382, 767, 1536, -7, -3, 4, 17, 42, 91, 188, 381, 766, 1535, 3072]