Number of "Euclidean primes" with respect to the first n primes.

Terms

a(0) =2a(1) =3a(2) =5a(3) =8a(4) =13a(5) =21a(6) =32a(7) =54a(8) =83a(9) =149a(10) =251a(11) =450a(12) =807a(13) =1481a(14) =2696a(15) =4968a(16) =9155a(17) =17143a(18) =32009a(19) =60024a(20) =112785a(21) =213193a(22) =404285a(23) =766690a(24) =1456473a(25) =2773176a(26) =5292017a(27) =10125044a(28) =19403747a(29) =37237818