%I
%S 3,31,0,59575553,15131197,0,55535149474543,6361595755535149,0,
%T 1151131111091071051031019997,207205203201199197195193191189187,0,
%U 65636159575553514947454341,4543413937353331292725232119,0
%N Smallest primes in the reverse concatenation of n odd numbers.
%e a(5) = 15131197 is a prime and a concatenation of 15,13,11,9 and 7.
%p for n from 1 to 32 do d := 0:c := true: if((n mod 3)=0) then c := false:a := 0:end if: while(c=true) do a := 2*(n+d)1:for j from 1 to n1 do a := 2*(n+dj)1+10^( floor(evalf(log(2*(n+dj)1)/log(10))+0.0000000001 )+1)*a:end do: if(isprime(a))then c := false:end if:d := d+1:end do:b[n] := a:end do:seq(b[h],h=1..32);
%K base,hard,nonn
%O 1,1
%A _Amarnath Murthy_, Mar 04 2002
%E More terms from _Sascha Kurz_, Mar 27 2002
