Number of prime 5-tuples up to 10^n.

Terms

a(0) =0a(1) =3a(2) =5a(3) =9a(4) =21a(5) =65a(6) =321a(7) =1383a(8) =7221a(9) =40414a(10) =245312a(11) =1552223a(12) =10217560a(13) =69410576a(14) =485081195a(15) =3473135825