Triangle read by rows, A055248 * (A005493 * 0^(n-k)).

Terms

a(0) =1a(1) =2a(2) =1a(3) =4a(4) =3a(5) =3a(6) =8a(7) =7a(8) =12a(9) =10a(10) =16a(11) =15a(12) =33a(13) =50a(14) =37a(15) =32a(16) =31a(17) =78a(18) =160a(19) =222a(20) =151a(21) =64a(22) =63a(23) =171a(24) =420a(25) =814a(26) =1057a(27) =674a(28) =128a(29) =127