login

A181175 as a simple table

na(n)
01
12
240
3320
421504
5688128
6178257920
722817013760
823433341566976
911997870882291712
1049179307930885816320
11100719222642454151823360
121650485975228872480767606784
1313520781109074923362448234774528

[1,2,40,320,21504,688128,178257920,22817013760,
 23433341566976,11997870882291712,
 49179307930885816320,100719222642454151823360,
 1650485975228872480767606784,
 13520781109074923362448234774528]