Dispersion of A047221, (numbers >1 and congruent to 2 or 3 mod 5), by antidiagonals.

Terms

a(0) =1a(1) =2a(2) =4a(3) =3a(4) =8a(5) =5a(6) =7a(7) =18a(8) =12a(9) =6a(10) =17a(11) =43a(12) =28a(13) =13a(14) =9a(15) =42a(16) =107a(17) =68a(18) =32a(19) =22a(20) =10a(21) =103a(22) =267a(23) =168a(24) =78a(25) =53a(26) =23a(27) =11a(28) =257a(29) =667