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.

A280779 Denominators of coefficients in asymptotic expansion of M_n (number of monolithic chord diagrams, A280775).

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 3
5 5
6 45
7 315
8 35
9 567
10 2025
11 7425
12 467775
13 6081075
14 257985
15 638512875
16 638512875
17 172297125
18 13956067125
19 74246277105
20 3093594879375
21 14992036723125
22 2143861251406875
23 16436269594119375
24 4226469324202125
25 48028060502296875
26 593531957565421875
27 56437147443285984375

List of values

[1, 1, 1, 3, 3, 5, 45, 315, 35, 567, 2025, 7425, 467775, 6081075, 257985, 638512875, 638512875, 172297125, 13956067125, 74246277105, 3093594879375, 14992036723125, 2143861251406875, 16436269594119375, 4226469324202125, 48028060502296875, 593531957565421875, 56437147443285984375]

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

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