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a(1) = 1, then the smallest number such that the n-th partial concatenation has a prime signature of n.
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%I #5 Dec 05 2013 19:56:31

%S 1,1,3,569,9,7,17,4309310755297761811152063,

%T 22040307829968145762952262950216858361,17,127,148,119,1,8

%N a(1) = 1, then the smallest number such that the n-th partial concatenation has a prime signature of n.

%C a(n-1) < a(n) > a(n+1) if n is a prime power.

%C Next term has 267 digits. - _David Wasserman_, Jun 07 2005

%e 1,11,113,113569,... etc., have the prime signature of 1,2,3 and 4 respectively.

%e 113569= 337^2 has the prime signature of 4=2^2.

%K base,nonn

%O 1,3

%A _Amarnath Murthy_, Sep 17 2003

%E More terms from _David Wasserman_, Jun 07 2005