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.

A186491 Counts a family of permutations occurring in the study of squeezed states of the simple harmonic oscillator.

Table of values

n a(n)
0 1
1 2
2 28
3 1112
4 87568
5 11447072
6 2239273408
7 612359887232
8 223061763490048
9 104399900177326592
10 61049165415292607488
11 43617245341775265585152
12 37385513306142843500105728
13 37862584188750782065354022912

List of values

[1, 2, 28, 1112, 87568, 11447072, 2239273408, 612359887232, 223061763490048, 104399900177326592, 61049165415292607488, 43617245341775265585152, 37385513306142843500105728, 37862584188750782065354022912]

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

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