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A082780
a(1) = 5, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).
8
5, 55, 5005, 505505, 5005005005, 50055055055005, 50005050055005050005, 5000005005005005005005000005, 50000050055050055055055005055005000005
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Cf.
A082776
,
A082777
,
A082778
,
A082779
,
A082781
,
A082782
,
A082783
.
Sequence in context:
A111821
A275546
A068666
*
A063855
A081785
A144996
Adjacent sequences:
A082777
A082778
A082779
*
A082781
A082782
A082783
KEYWORD
base
,
more
,
nonn
AUTHOR
Amarnath Murthy
, Apr 19 2003
EXTENSIONS
Corrected by
Ray Chandler
, Oct 13 2003
a(8)-a(9) from
Sean A. Irvine
, Apr 19 2010
STATUS
approved
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)