login

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

A267231 as a simple table

na(n)
18
264
3476
43472
525088
6180292
71291052
89222184
965755592
10468196540
113330042548
1223664113536
13168042120176
141192574364148
158459259667964
1659977781663128
17425093823838040
183011867733313516
1921333411555220100

[8,64,476,3472,25088,180292,1291052,9222184,
 65755592,468196540,3330042548,23664113536,
 168042120176,1192574364148,8459259667964,
 59977781663128,425093823838040,3011867733313516,
 21333411555220100]