Row 4 of array in A226513.

Terms

a(0) =1a(1) =5a(2) =35a(3) =305a(4) =3155a(5) =37625a(6) =507035a(7) =7608305a(8) =125687555a(9) =2265230825a(10) =44210200235a(11) =928594230305