Number of possible prime patterns for centuries having exactly n primes.

Terms

a(0) =1a(1) =40a(2) =780a(3) =7528a(4) =47878a(5) =225044a(6) =830270a(7) =2459376a(8) =5900602a(9) =11555200a(10) =18634704a(11) =24942742a(12) =27836859a(13) =25913910a(14) =20053913a(15) =12815608a(16) =6699888a(17) =2829786a(18) =948729a(19) =245756a(20) =47150a(21) =6276a(22) =518a(23) =20