Dispersion of A008851, (numbers >1 and congruent to 0 or 1 mod 5), by antidiagonals.

Terms

a(0) =1a(1) =5a(2) =2a(3) =15a(4) =6a(5) =3a(6) =40a(7) =16a(8) =10a(9) =4a(10) =101a(11) =41a(12) =26a(13) =11a(14) =7a(15) =255a(16) =105a(17) =66a(18) =30a(19) =20a(20) =8a(21) =640a(22) =265a(23) =166a(24) =76a(25) =51a(26) =21a(27) =9a(28) =1601a(29) =665