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A235721 Squares which have one or more occurrences of exactly six different digits. 3
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first term having a repeated digit is 1028196.

LINKS

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

FORMULA

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

EXAMPLE

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

PROG

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

CROSSREFS

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

Sequence in context: A269218 A237894 A171162 * A210180 A136312 A205260

Adjacent sequences:  A235718 A235719 A235720 * A235722 A235723 A235724

KEYWORD

nonn,base

AUTHOR

Colin Barker, Jan 15 2014

STATUS

approved

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Last modified June 15 08:14 EDT 2021. Contains 345048 sequences. (Running on oeis4.)