Conjecturally, maximum number of primes in an infinitely-recurring prime pattern of width 2*n-1.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =4a(5) =4a(6) =5a(7) =5a(8) =6a(9) =6a(10) =7a(11) =6a(12) =7a(13) =8a(14) =8a(15) =9a(16) =10a(17) =10a(18) =11a(19) =10a(20) =11a(21) =12a(22) =12a(23) =12a(24) =13a(25) =14a(26) =13a(27) =14a(28) =15a(29) =15