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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.

A176282 Triangle T(n,k) = 1 + A000330(n) - A000330(k) - A000330(n-k), read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 1
7 9
8 9
9 1
10 1
11 16
12 21
13 16
14 1
15 1
16 25
17 37
18 37
19 25
20 1
21 1
22 36
23 57
24 64
25 57
26 36
27 1
28 1
29 49
30 81
31 97
32 97
33 81
34 49
35 1
36 1
37 64
38 109
39 136
40 145
41 136
42 109
43 64
44 1
45 1
46 81
47 141
48 181
49 201
50 201
51 181
52 141
53 81
54 1
55 1
56 100
57 177
58 232
59 265
60 276
61 265
62 232
63 177
64 100
65 1

List of values

[1, 1, 1, 1, 4, 1, 1, 9, 9, 1, 1, 16, 21, 16, 1, 1, 25, 37, 37, 25, 1, 1, 36, 57, 64, 57, 36, 1, 1, 49, 81, 97, 97, 81, 49, 1, 1, 64, 109, 136, 145, 136, 109, 64, 1, 1, 81, 141, 181, 201, 201, 181, 141, 81, 1, 1, 100, 177, 232, 265, 276, 265, 232, 177, 100, 1]

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

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