Base 5 digital convolution sequence.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =6a(6) =30a(7) =66a(8) =228a(9) =978a(10) =456a(11) =2412a(12) =5736a(13) =22032a(14) =99600a(15) =66096a(16) =364896a(17) =928080a(18) =3878928a(19) =18299952a(20) =15515712a(21) =88715520a(22) =239493888a(23) =1073343744a(24) =5251350528a(25) =239493888a(26) =1312837632a(27) =7877025792a(28) =23870571264a(29) =96795122688