login

A249027 as a simple table

na(n)
11
21
32
41
52
66
71
82
912
1024
111
122
1324
14576
15120
161
172
1848
1955296
20161280
21720
221
232
2496
2536972288
262781803520
27812851200
285040
291
302
31192
326268637952000
3352260618977280
34994393803303936000
3561479419904000
3640320

[1,1,2,1,2,6,1,2,12,24,1,2,24,576,120,1,2,48,
 55296,161280,720,1,2,96,36972288,2781803520,
 812851200,5040,1,2,192,6268637952000,
 52260618977280,994393803303936000,61479419904000,
 40320]