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A235724 Squares which have one or more occurrences of exactly nine different digits. 9
102495376, 102576384, 102738496, 104325796, 105637284, 139854276, 152843769, 157326849, 158306724, 158407396, 172843609, 176039824, 176305284, 178035649, 180472356, 183467025, 187635204, 198753604, 208571364, 215384976, 217356049, 218034756, 235714609 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first term having a repeated digit is 1005397264.

LINKS

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

FORMULA

a(n) = A054037(n)^2.

EXAMPLE

102495376 is in the sequence because 102495376 = 10124^2 and 102495376 contains exactly nine different digits: 0, 1, 2, 3, 4, 5, 6, 7 and 9.

PROG

(PARI) s=[]; for(n=1, 100000, if(#vecsort(eval(Vec(Str(n^2))), , 8)==9, s=concat(s, n^2))); s

CROSSREFS

Cf. A235717-A235723, A225218.

Sequence in context: A116670 A073643 A235161 * A241792 A112717 A114679

Adjacent sequences:  A235721 A235722 A235723 * A235725 A235726 A235727

KEYWORD

nonn,base

AUTHOR

Colin Barker, Jan 15 2014

STATUS

approved

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Last modified June 22 12:56 EDT 2021. Contains 345380 sequences. (Running on oeis4.)