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
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