Eigentriangle by rows, A143971 * (A108300 * 0^(n-k)); 1<=k<=1.

Terms

a(0) =1a(1) =4a(2) =1a(3) =7a(4) =4a(5) =5a(6) =10a(7) =7a(8) =20a(9) =16a(10) =13a(11) =10a(12) =35a(13) =64a(14) =53a(15) =16a(16) =13a(17) =50a(18) =112a(19) =212a(20) =175a(21) =19a(22) =16a(23) =65a(24) =160a(25) =371a(26) =700a(27) =578a(28) =22a(29) =19