Analog of A059226 in which left diagonal is all 1's.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =8a(6) =1a(7) =11a(8) =28a(9) =39a(10) =1a(11) =23a(12) =80a(13) =164a(14) =214a(15) =1a(16) =47a(17) =208a(18) =548a(19) =1010a(20) =1274a(21) =1a(22) =95a(23) =512a(24) =1632a(25) =3744a(26) =6490a(27) =8028a(28) =1a(29) =191