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A204691 Numbers n such that n contains exactly 5 digits, all distinct, and n^2 contains exactly 9 distinct digits. 0
10278, 12543, 12586, 13268, 13278, 13698, 14098, 15963, 16549, 16854, 17529, 18072, 19023, 20316, 20513, 20754, 21397, 21439, 23019, 23178, 24807, 25941, 26351, 26409, 27105, 27984, 28346, 28731, 29034, 29106 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

There are 30 terms (a(30)=29106); the only prime is a(17)=21397.

LINKS

Table of n, a(n) for n=1..30.

MATHEMATICA

Select[Range[10000, Sqrt[10^9]], Length[Union[IntegerDigits[#]]] == 5 && Length[Union[IntegerDigits[#^2]]] == 9 &] (* T. D. Noe, Jan 18 2012 *)

CROSSREFS

Subsequence of A054037.

Sequence in context: A252031 A187311 A289855 * A270762 A200712 A257191

Adjacent sequences:  A204688 A204689 A204690 * A204692 A204693 A204694

KEYWORD

base,nonn,fini,full

AUTHOR

Zak Seidov, Jan 18 2012

STATUS

approved

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Last modified February 20 22:51 EST 2019. Contains 320362 sequences. (Running on oeis4.)