login

A191249 as a simple table

na(n)
12
212
34
4432
572
68
761344
83888
9288
1016
1132866560
12665280
1321600
14960
1532
1668307743232
17407306880
184328640
1995040
202880
2164
22561981464819712
23965518299648
242948037120
2521893760
26362880
278064
28128

[2,12,4,432,72,8,61344,3888,288,16,32866560,
 665280,21600,960,32,68307743232,407306880,4328640,
 95040,2880,64,561981464819712,965518299648,
 2948037120,21893760,362880,8064,128]