Dispersion of the primes (an array read by downward antidiagonals).

Terms

a(0) =1a(1) =2a(2) =4a(3) =3a(4) =7a(5) =6a(6) =5a(7) =17a(8) =13a(9) =8a(10) =11a(11) =59a(12) =41a(13) =19a(14) =9a(15) =31a(16) =277a(17) =179a(18) =67a(19) =23a(20) =10a(21) =127a(22) =1787a(23) =1063a(24) =331a(25) =83a(26) =29a(27) =12a(28) =709a(29) =15299