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.

A213750 Rectangular array: (row n) = b**c, where b(h) = h, c(h) = 2*(n-1+h)-1, n>=1, h>=1, and ** = convolution.

Table of values

n a(n)
1 1
2 5
3 3
4 14
5 11
6 5
7 30
8 26
9 17
10 7
11 55
12 50
13 38
14 23
15 9
16 91
17 85
18 70
19 50
20 29
21 11
22 140
23 133
24 115
25 90
26 62
27 35
28 13
29 204
30 196
31 175
32 145
33 110
34 74
35 41
36 15
37 285
38 276
39 252
40 217
41 175
42 130
43 86
44 47
45 17
46 385
47 375
48 348
49 308
50 259
51 205
52 150
53 98
54 53
55 19
56 506
57 495
58 465
59 420

List of values

[1, 5, 3, 14, 11, 5, 30, 26, 17, 7, 55, 50, 38, 23, 9, 91, 85, 70, 50, 29, 11, 140, 133, 115, 90, 62, 35, 13, 204, 196, 175, 145, 110, 74, 41, 15, 285, 276, 252, 217, 175, 130, 86, 47, 17, 385, 375, 348, 308, 259, 205, 150, 98, 53, 19, 506, 495, 465, 420]