%I A121402
%S A121402 11,101,211,311,1021,1201,1301,1321
%N A121402 Prime values of integers written in factorial base, interpreted as in 
               base 10.
%C A121402 Cf. A007623 Integers written in factorial base.
%F A121402 a(n) = A007623(n)_10 if prime = (A007623 Integers written in factorial 
               base) interpreted as if in base 10, iff prime.
%e A121402 a(1) = 11 = 1*(2!) + 1*(1!) = A007623(3)_10.
%e A121402 a(2) = 101 = 1*(3!) + 0*(2!) + 1*(1!) = A007623(7)_10.
%e A121402 a(3) = 211 = 2*(3!) + 1*(2!) + 1*(1!) = A007623(15)_10.
%e A121402 a(4) = 311 = 3*(3!) + 1*(2!) + 1*(1!) = A007623(21)_10.
%e A121402 a(5) = 1021 = 1*(4!) + 0*(3!) + 2*(2!) + 1*(1!) = A007623(29)_10.
%e A121402 a(6) = 1201 = 1*(4!) + 2*(3!) + 0*(2!) + 1*(1!) = A007623(37)_10.
%e A121402 a(7) = 1301 = 1*(4!) + 3*(3!) + 0*(2!) + 1*(1!) = A007623(43)_10.
%e A121402 a(8) = 1321 = 1*(4!) + 3*(3!) + 2*(2!) + 1*(1!) = A007623(47)_10.
%Y A121402 Cf. A000040, A007623.
%Y A121402 Sequence in context: A068188 A032592 A142317 this_sequence A156307 A057532 
               A001603
%Y A121402 Adjacent sequences: A121399 A121400 A121401 this_sequence A121403 A121404 
               A121405
%K A121402 base,easy,nonn
%O A121402 1,1
%A A121402 Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 06 2006