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A067108
a(n) = a number with 2n digits with first n digits odd and the rest even, in cyclic increasing order.
0
12, 1324, 135246, 13572468, 1357924680, 135791246802, 13579132468024, 1357913524680246, 135791357246802468, 13579135792468024680, 1357913579124680246802, 135791357913246802468024
OFFSET
1,1
EXAMPLE
The sixth term is the concatenation of 135791 and 246802 so a(6)= 135791246802
MATHEMATICA
FromDigits/@Table[Join[PadRight[{}, n, Range[1, 9, 2]], PadRight[{}, n, {2, 4, 6, 8, 0}]], {n, 12}] (* Harvey P. Dale, Dec 29 2018 *)
CROSSREFS
Sequence in context: A246981 A174745 A071309 * A240627 A007943 A015512
KEYWORD
easy,nonn,base,less
AUTHOR
Amarnath Murthy, Jan 08 2002
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), Apr 03 2002
Edited by Charles R Greathouse IV, Apr 24 2010
STATUS
approved