A235721 Squares which have one or more occurrences of exactly six different digits.

103684, 104329, 104976, 107584, 123904, 124609, 132496, 134689, 139876, 140625, 157609, 162409, 164025, 170569, 173056, 180625, 195364, 198025, 207936, 209764, 214369, 237169, 254016, 257049, 258064, 259081, 279841, 293764, 310249, 318096, 321489, 326041

Offset: 1

Author

Colin Barker, Jan 15 2014

Keywords

• nonn
• base

Comments

The first term having a repeated digit is 1028196.

Examples

			124609 is in the sequence because 124609 = 353^2 and 124609 contains exactly six different digits: 0, 1, 2, 4, 6 and 9.
		

Links

• Colin Barker, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A235717-A235720, A235722-A235724, A225218.

Programs

PARI

s=[]; for(n=1, 1200, if(#vecsort(eval(Vec(Str(n^2))),,8)==6, s=concat(s, n^2))); s

Formula

a(n) = A054034(n)^2.