login

A160908 as a simple table

na(n)
11
2255
33280
432640
597656
6836400
7960800
84177920
97173360
1024902280
1121435888
12107059200
1367977560
14245004000
15320311680
16534773760
17435984840
181829206800
19943531280
203187491840
213151424000
225466151440
233559590240
2413703577600

[1,255,3280,32640,97656,836400,960800,4177920,
 7173360,24902280,21435888,107059200,67977560,
 245004000,320311680,534773760,435984840,
 1829206800,943531280,3187491840,3151424000,
 5466151440,3559590240,13703577600]