1,1

These are "subscript" primes, similar to those listed in Table 30 of the Primal Configurations document. All have been proved prime. Primality proof for the largest (16615 digits): PFGW Version 20041001.Win_Stable (v1.2 RC1b) [FFT v23.8] Primality testing (r(100,1)*10^4400+r(200,2)*10^4200+r(300,3)*10^3900+r(400,4)*10^3500+r(500,5)*10^3000+r(600,6)*10^2400+r(700,7)*10^1700+r(800,8)*10^900+r(900,9))*10^12115+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 13 Calling Brillhart-Lehmer-Selfridge with factored part 50.97% (r(100,1)*10^4400+r(200,2)*10^4200+r(300,3)*10^3900+r(400,4)*10^3500+r(500,5)*10^3000+r(600,6)*10^2400+r(700,7)*10^1700+r(800,8)*10^900+r(900,9))*10^12115+1 is prime! (46.2683s+0.0076s)

R. Ondrejka, The Top Ten: a Catalogue of Primal Configurations.

Cf. A106488.

Sequence in context: A100974 A098680 A115931 this_sequence A043420 A005073 A018865

Adjacent sequences: A108052 A108053 A108054 this_sequence A108056 A108057 A108058

base,nonn

Jason Earls (zevi_35711(AT)yahoo.com), Jun 02 2005