login

A252997 as a simple table

na(n)
1218
2189648
3720240
4119967120
5129705984
6517941905
7707902440
81321744320
998890370304
1099080219520
11119922568640
12139834382688
13347612467648
14580542318720
15952717920000
161064902900320
171153644808680
182255573174400
193903820736256
206859688278905
2110944640212480
2214424196864000

[218,189648,720240,119967120,129705984,517941905,
 707902440,1321744320,98890370304,99080219520,
 119922568640,139834382688,347612467648,
 580542318720,952717920000,1064902900320,
 1153644808680,2255573174400,3903820736256,
 6859688278905,10944640212480,14424196864000]