Dispersion of A016873, (5k+4), by antidiagonals.

Terms

a(0) =1a(1) =4a(2) =2a(3) =19a(4) =9a(5) =3a(6) =94a(7) =44a(8) =14a(9) =5a(10) =469a(11) =219a(12) =69a(13) =24a(14) =6a(15) =2344a(16) =1094a(17) =344a(18) =119a(19) =29a(20) =7a(21) =11719a(22) =5469a(23) =1719a(24) =594a(25) =144a(26) =34a(27) =8a(28) =58594a(29) =27344