login

A034001 as a simple table

na(n)
11
26
354
4648
59720
6174960
73674160
888179840
92380855680
1071425670400
112357047123200
1284853696435200
133309294160972800
14138990354760857600
156254565964238592000
16300219166283452416000
1715311177480456073216000

[1,6,54,648,9720,174960,3674160,88179840,
 2380855680,71425670400,2357047123200,
 84853696435200,3309294160972800,
 138990354760857600,6254565964238592000,
 300219166283452416000,15311177480456073216000]