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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.

A343316 Array T(n, k), n, k > 0, read by antidiagonals; the balanced ternary representation of T(n, k) is obtained by multiplying componentwise the digits in the balanced ternary representations of n and of k.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 0
6 0
7 -1
8 -1
9 0
10 0
11 0
12 4
13 0
14 0
15 0
16 1
17 3
18 3
19 1
20 0
21 0
22 -1
23 2
24 3
25 2
26 -1
27 0
28 0
29 0
30 -2
31 3
32 3
33 -2
34 0
35 0
36 0
37 1
38 -3
39 -3
40 4
41 -3
42 -3
43 1
44 0
45 0
46 -1
47 -4
48 -3
49 -4
50 -4
51 -3
52 -4
53 -1
54 0
55 0
56 0
57 1
58 -3
59 -3
60 13
61 -3
62 -3
63 1
64 0
65 0
66 0
67 1
68 0
69 0
70 -2
71 12
72 12
73 -2
74 0
75 0
76 1
77 0

List of values

[0, 0, 0, 0, 1, 0, 0, -1, -1, 0, 0, 0, 4, 0, 0, 0, 1, 3, 3, 1, 0, 0, -1, 2, 3, 2, -1, 0, 0, 0, -2, 3, 3, -2, 0, 0, 0, 1, -3, -3, 4, -3, -3, 1, 0, 0, -1, -4, -3, -4, -4, -3, -4, -1, 0, 0, 0, 1, -3, -3, 13, -3, -3, 1, 0, 0, 0, 1, 0, 0, -2, 12, 12, -2, 0, 0, 1, 0]

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

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