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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.

A213503 Rectangular array: (row n) = b**c, where b(h) = h^2, c(h) = n-1+h, n>=1, h>=1, and ** = convolution.

Table of values

n a(n)
1 1
2 6
3 2
4 20
5 11
6 3
7 50
8 34
9 16
10 4
11 105
12 80
13 48
14 21
15 5
16 196
17 160
18 110
19 62
20 26
21 6
22 336
23 287
24 215
25 140
26 76
27 31
28 7
29 540
30 476
31 378
32 270
33 170
34 90
35 36
36 8
37 825
38 744
39 616
40 469
41 325
42 200
43 104
44 41
45 9
46 1210
47 1110
48 948
49 756
50 560
51 380
52 230
53 118
54 46
55 10

List of values

[1, 6, 2, 20, 11, 3, 50, 34, 16, 4, 105, 80, 48, 21, 5, 196, 160, 110, 62, 26, 6, 336, 287, 215, 140, 76, 31, 7, 540, 476, 378, 270, 170, 90, 36, 8, 825, 744, 616, 469, 325, 200, 104, 41, 9, 1210, 1110, 948, 756, 560, 380, 230, 118, 46, 10]