OFFSET
1,1
COMMENTS
The first term having a repeated digit is 101465329.
LINKS
Colin Barker, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = A054036(n)^2.
EXAMPLE
10278436 is in the sequence because 10278436 = 3206^2 and 10278436 contains exactly eight different digits: 0, 1, 2, 3, 4, 6, 7 and 8.
PROG
(PARI) s=[]; for(n=1, 10000, if(#vecsort(eval(Vec(Str(n^2))), , 8)==8, s=concat(s, n^2))); s
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Colin Barker, Jan 15 2014
STATUS
approved