

A087574


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


0



1, 1, 3, 569, 9, 7, 17, 4309310755297761811152063, 22040307829968145762952262950216858361, 17, 127, 148, 119, 1, 8
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OFFSET

1,3


COMMENTS

a(n1) < a(n) > a(n+1) if n is a prime power.


LINKS



EXAMPLE

1,11,113,113569,... etc., have the prime signature of 1,2,3 and 4 respectively.
113569= 337^2 has the prime signature of 4=2^2.


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS



STATUS

approved



