login

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

A253468 as a simple table

na(n)
181
2540
3540
43640
5800
63640
724208
81400
91400
1024208
11162016
123072
132000
143072
15162016
161081504
178536
182600
192600
208536
211081504
227227096
2315888
245000
253744
265000
2715888
287227096
2948272160
3044464
317784
327496
337496
347784
3544464
3648272160

[81,540,540,3640,800,3640,24208,1400,1400,24208,
 162016,3072,2000,3072,162016,1081504,8536,2600,
 2600,8536,1081504,7227096,15888,5000,3744,5000,
 15888,7227096,48272160,44464,7784,7496,7496,7784,
 44464,48272160]