login

A153274 as a simple table

na(n)
12
26
315
424
5105
6280
7120
8945
93640
109945
11720
1210395
1358240
14208845
15576576
165040
17135135
181106560
195221125
2017873856
2149579075
2240320
232027025
2424344320
25151412625
26643458816
272131900225
285925744000
29362880
3034459425
31608608000
324996616625
3326381811456
34104463111025
35337767408000
36939536222625

[2,6,15,24,105,280,120,945,3640,9945,720,10395,
 58240,208845,576576,5040,135135,1106560,5221125,
 17873856,49579075,40320,2027025,24344320,
 151412625,643458816,2131900225,5925744000,362880,
 34459425,608608000,4996616625,26381811456,
 104463111025,337767408000,939536222625]