The array of A059578 read by antidiagonals in the 'up' direction.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =7a(6) =1a(7) =8a(8) =20a(9) =30a(10) =1a(11) =16a(12) =52a(13) =107a(14) =147a(15) =1a(16) =32a(17) =128a(18) =326a(19) =605a(20) =792a(21) =1a(22) =64a(23) =304a(24) =912a(25) =2051a(26) =3580a(27) =4559a(28) =1a(29) =128