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A086559
a(n) = (smallest n-digit number beginning with n and having prime signature of n)- (smallest n-digit number beginning with n).
0
0, 3, 7, 489, 21, 7, 3, 62991, 660121, 6, 21, 4, 21, 1, 17, 4502443050081, 9, 27, 9, 12, 39, 3, 3, 57, 8887056427569, 17, 20039676975717396967, 156, 23, 5, 291, 240000720001080000810000243, 5, 33, 6, 8400000000000000049, 3, 9, 11
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..39.
FORMULA
a(n) =
A086558
(n) - n*10^(n-d), where d = the number of digits in n.
EXAMPLE
a(4) = 4489 -4000=489.
CROSSREFS
Cf.
A086558
.
Sequence in context:
A104051
A128004
A281889
*
A013426
A013422
A013424
Adjacent sequences:
A086556
A086557
A086558
*
A086560
A086561
A086562
KEYWORD
base
,
nonn
AUTHOR
Amarnath Murthy
, Aug 30 2003
EXTENSIONS
More terms from
Sascha Kurz
, Sep 22 2003
STATUS
approved
