login

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

A210927 as a simple table

na(n)
11
25
3172
438444
536567600
6139088906848
72108407726540016
8127364809805575916736
930660305986899859448541568
1029412752846682454724638291977856

[1,5,172,38444,36567600,139088906848,
 2108407726540016,127364809805575916736,
 30660305986899859448541568,
 29412752846682454724638291977856]