Diagonal of A083167.

Terms

a(0) =1a(1) =4a(2) =10a(3) =24a(4) =44a(5) =40a(6) =78a(7) =112a(8) =184a(9) =162a(10) =270a(11) =209a(12) =384a(13) =260a(14) =546a(15) =660a(16) =544a(17) =646a(18) =990a(19) =760a(20) =1160a(21) =945a(22) =1188a(23) =989a(24) =1680a(25) =1700a(26) =1664a(27) =1593a(28) =1764a(29) =1798