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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.

A330379 Triangle read by rows: T(n,k) (1 <= k <= n) is the sum of the sizes of all right angles of size k of all partitions of n.

Table of values

n a(n)
1 1
2 0
3 4
4 0
5 0
6 9
7 1
8 0
9 3
10 16
11 2
12 0
13 0
14 8
15 25
16 3
17 4
18 0
19 8
20 15
21 36
22 4
23 8
24 0
25 0
26 20
27 24
28 49
29 5
30 12
31 9
32 0
33 15
34 36
35 35
36 64
37 7
38 16
39 21
40 0
41 5
42 36
43 56
44 48
45 81
46 9
47 20
48 33
49 16
50 0
51 36
52 63
53 80
54 63
55 100
56 13
57 24
58 45
59 40
60 0
61 12
62 77
63 96
64 108
65 80
66 121

List of values

[1, 0, 4, 0, 0, 9, 1, 0, 3, 16, 2, 0, 0, 8, 25, 3, 4, 0, 8, 15, 36, 4, 8, 0, 0, 20, 24, 49, 5, 12, 9, 0, 15, 36, 35, 64, 7, 16, 21, 0, 5, 36, 56, 48, 81, 9, 20, 33, 16, 0, 36, 63, 80, 63, 100, 13, 24, 45, 40, 0, 12, 77, 96, 108, 80, 121]

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

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