Row sums of 1-Euler triangle A188587.

Terms

a(0) =1a(1) =2a(2) =3a(3) =12a(4) =60a(5) =360a(6) =2520a(7) =20160a(8) =181440a(9) =1814400a(10) =19958400a(11) =239500800a(12) =3113510400a(13) =43589145600a(14) =653837184000