cp's OEIS Frontend

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.

A213819 Rectangular array: (row n) = b**c, where b(h) = h, c(h) = 3*n-4+3*h, n>=1, h>=1, and ** = convolution.

Table of values

n a(n)
1 2
2 9
3 5
4 24
5 18
6 8
7 50
8 42
9 27
10 11
11 90
12 80
13 60
14 36
15 14
16 147
17 135
18 110
19 78
20 45
21 17
22 224
23 210
24 180
25 140
26 96
27 54
28 20
29 324
30 308
31 273
32 225
33 170
34 114
35 63
36 23
37 450
38 432
39 392
40 336
41 270
42 200
43 132
44 72
45 26
46 605
47 585
48 540
49 476
50 399
51 315

List of values

[2, 9, 5, 24, 18, 8, 50, 42, 27, 11, 90, 80, 60, 36, 14, 147, 135, 110, 78, 45, 17, 224, 210, 180, 140, 96, 54, 20, 324, 308, 273, 225, 170, 114, 63, 23, 450, 432, 392, 336, 270, 200, 132, 72, 26, 605, 585, 540, 476, 399, 315]