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.

A187084 Exponential Riordan array (1,4*x+6*x^2+4*x^3+x^4).

Table of values

n a(n)
1 4
2 12
3 16
4 24
5 144
6 64
7 24
8 816
9 1152
10 256
11 0
12 3360
13 12480
14 7680
15 1024
16 0
17 10080
18 100800
19 134400
20 46080
21 4096
22 0
23 20160
24 645120
25 1747200
26 1182720
27 258048
28 16384
29 0
30 20160
31 3306240
32 18305280
33 22364160
34 9117696
35 1376256
36 65536
37 0
38 0
39 13305600
40 159667200
41 341591040
42 235339776
43 63995904
44 7077888
45 262144

List of values

[4, 12, 16, 24, 144, 64, 24, 816, 1152, 256, 0, 3360, 12480, 7680, 1024, 0, 10080, 100800, 134400, 46080, 4096, 0, 20160, 645120, 1747200, 1182720, 258048, 16384, 0, 20160, 3306240, 18305280, 22364160, 9117696, 1376256, 65536, 0, 0, 13305600, 159667200, 341591040, 235339776, 63995904, 7077888, 262144]

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

Content is available under The OEIS End-User License Agreement.