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.

A213847 Rectangular array: (row n) = b**c, where b(h) = 4*h-1, c(h) = 2*n-3+2*h, n>=1, h>=1, and ** = convolution.

Table of values

n a(n)
1 3
2 16
3 9
4 47
5 36
6 15
7 104
8 89
9 56
10 21
11 195
12 176
13 131
14 76
15 27
16 328
17 305
18 248
19 173
20 96
21 33
22 511
23 484
24 415
25 320
26 215
27 116
28 39
29 752
30 721
31 640
32 525
33 392
34 257
35 136
36 45
37 1059
38 1024
39 931
40 796
41 635
42 464
43 299
44 156
45 51
46 1440
47 1401

List of values

[3, 16, 9, 47, 36, 15, 104, 89, 56, 21, 195, 176, 131, 76, 27, 328, 305, 248, 173, 96, 33, 511, 484, 415, 320, 215, 116, 39, 752, 721, 640, 525, 392, 257, 136, 45, 1059, 1024, 931, 796, 635, 464, 299, 156, 51, 1440, 1401]