OFFSET
1,2
COMMENTS
a(10n) = a(n). a(10^n) = 1. a(k) = k^2 if k^2 is a palindromic square. (Comment corrected by David Wasserman, Jan 21 2009)
FORMULA
EXAMPLE
a(8) = 4624 = 68^2 beginning with 46 the digit reversal of 64 = 8^2.
CROSSREFS
KEYWORD
base,easy,less,nonn
AUTHOR
Amarnath Murthy, Aug 03 2005
EXTENSIONS
Corrected and extended by David Wasserman, Jan 21 2009
STATUS
approved