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.

A130188 Denominators of rationals r(n) related to the z-sequence of the Sheffer matrix A060821 for Hermite polynomials.

Table of values

n a(n)
0 1
1 4
2 4
3 32
4 16
5 64
6 64
7 1024
8 256
9 1024
10 1024
11 8192
12 4096
13 16384
14 16384
15 524288
16 65536
17 262144
18 262144
19 2097152
20 1048576
21 4194304
22 4194304
23 67108864
24 16777216
25 67108864
26 67108864
27 536870912
28 268435456
29 1073741824

List of values

[1, 4, 4, 32, 16, 64, 64, 1024, 256, 1024, 1024, 8192, 4096, 16384, 16384, 524288, 65536, 262144, 262144, 2097152, 1048576, 4194304, 4194304, 67108864, 16777216, 67108864, 67108864, 536870912, 268435456, 1073741824]

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

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