login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A248769 as a simple table

na(n)
11
22
36
424
5120
6720
75040
81260
911340
10113400
111247400
121925
1325025
14350350
155255250
162627625
1744669625
18804053250
1915277011750
20305540235000
216416344935000
22141159588570000
233246670537110000
2410020588077500
2580164704620
262084282320120
2756275622643240

[1,2,6,24,120,720,5040,1260,11340,113400,1247400,
 1925,25025,350350,5255250,2627625,44669625,
 804053250,15277011750,305540235000,6416344935000,
 141159588570000,3246670537110000,10020588077500,
 80164704620,2084282320120,56275622643240]