Diagonal of A083464.

Terms

a(0) =2a(1) =5a(2) =22a(3) =77a(4) =111a(5) =313a(6) =393a(7) =505a(8) =757a(9) =181a(10) =12321a(11) =5665a(12) =18981a(13) =10501a(14) =10801a(15) =12321a(16) =19891a(17) =14041a(18) =23732a(19) =10901a(20) =36163a(21) =38083a(22) =47174a(23) =39793a(24) =15651a(25) =58085a(26) =59995a(27) =71317a(28) =72327a(29) =17071