login

A123016 as a simple table

na(n)
11
21
34
40
532
6-64
7384
8-1280
95632
10-21504
1188064
12-348160
131400832
14-5586944
1522380544
16-89456640
17357957632
18-1431568384
195726797824
20-22906142720
2191626668032
22-366502477824
231466018299904
24-5864056422400
2523456259244032
26-93824969867264
27375300013686784

[1,1,4,0,32,-64,384,-1280,5632,-21504,88064,
 -348160,1400832,-5586944,22380544,-89456640,
 357957632,-1431568384,5726797824,-22906142720,
 91626668032,-366502477824,1466018299904,
 -5864056422400,23456259244032,-93824969867264,
 375300013686784]