Dispersion of A004767 (4k+3, k>=0), by antidiagonals.

Terms

a(0) =1a(1) =3a(2) =2a(3) =11a(4) =7a(5) =4a(6) =43a(7) =27a(8) =15a(9) =5a(10) =171a(11) =107a(12) =59a(13) =19a(14) =6a(15) =683a(16) =427a(17) =235a(18) =75a(19) =23a(20) =8a(21) =2731a(22) =1707a(23) =939a(24) =299a(25) =91a(26) =31a(27) =9a(28) =10923a(29) =6827