Constant term when a polynomial of degree n-1 is fitted to the first n primes.

Terms

a(0) =2a(1) =1a(2) =2a(3) =3a(4) =6a(5) =15a(6) =38a(7) =91a(8) =206a(9) =443a(10) =900a(11) =1701a(12) =2914a(13) =4303a(14) =4748a(15) =1081a(16) =-14000a(17) =-55335a(18) =-150394a(19) =-346163a(20) =-716966a(21) =-1369429a(22) =-2432788a(23) =-4002993a(24) =-5964748a(25) =-7525017a(26) =-6123026a(27) =4900093a(28) =40900520a(29) =134308945