OFFSET
1,2
COMMENTS
An anagram of a k-digit number is one of the <= k! permutations of the digits that does not begin with 0.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10000
EXAMPLE
121 is in the sequence because 121 = 11^2.
619 is in the sequence because 169, 196 and 961 are squares.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Colin Barker, Jan 19 2014
STATUS
approved