OFFSET
1,1
EXAMPLE
a(4) = 14233241: deleting alternate digits starting with least significant digit gives 1234 etc.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 24 2002
EXTENSIONS
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003
STATUS
approved