login

A307845 as a simple table

na(n)
11
24
336
4576
514400
6705600
757153600
86915585600
91168733966400
10337764116289600
11121932845980545600
1264502475523708622400
1340314047202317889000000
1433904113697149344649000000
1532581853262960520207689000000
1644604557116992952164326241000000
1774980260513665152588232411121000000

[1,4,36,576,14400,705600,57153600,6915585600,
 1168733966400,337764116289600,121932845980545600,
 64502475523708622400,40314047202317889000000,
 33904113697149344649000000,
 32581853262960520207689000000,
 44604557116992952164326241000000,
 74980260513665152588232411121000000]