login

A089325 as a simple table

na(n)
13
26
318
454
5162
6486
7972
81944
95832
1040824
11204120
12408240
13816480
141632960
153265920
166531840
1726127360
18130636800
19391910400
201175731200
2114108774400
2256435097600
231241572147200
248691005030400
2526073015091200
26260730150912000

[3,6,18,54,162,486,972,1944,5832,40824,204120,
 408240,816480,1632960,3265920,6531840,26127360,
 130636800,391910400,1175731200,14108774400,
 56435097600,1241572147200,8691005030400,
 26073015091200,260730150912000]