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A235723 Squares which have one or more occurrences of exactly eight different digits. 4
10278436, 10673289, 10679824, 10837264, 13498276, 13527684, 13675204, 13860729, 13942756, 16378209, 16785409, 17280649, 17430625, 19847025, 20584369, 20738916, 21307456, 21473956, 21743569, 23078416, 23174596, 23970816, 24137569, 24671089, 24870169, 28901376 (list; graph; refs; listen; history; text; internal format)
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

Cf. A235717-A235722, A235724, A225218.

Sequence in context: A188755 A328939 A234062 * A118213 A205893 A186534

Adjacent sequences:  A235720 A235721 A235722 * A235724 A235725 A235726

KEYWORD

nonn,base

AUTHOR

Colin Barker, Jan 15 2014

STATUS

approved

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Last modified May 28 15:04 EDT 2022. Contains 354115 sequences. (Running on oeis4.)