Eighth column of Catalan triangle A009766.

Terms

a(0) =429a(1) =1430a(2) =3432a(3) =7072a(4) =13260a(5) =23256a(6) =38760a(7) =62016a(8) =95931a(9) =144210a(10) =211508a(11) =303600a(12) =427570a(13) =592020a(14) =807300a(15) =1085760a(16) =1442025a(17) =1893294a(18) =2459664a(19) =3164480a(20) =4034712a(21) =5101360a(22) =6399888a(23) =7970688a(24) =9859575a(25) =12118314a(26) =14805180a(27) =17985552a(28) =21732542a(29) =26127660