A053894 - OEIS

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A053894

Numbers k such that k^2 contains only digits {1,3,8}.

1

1, 9, 109, 3652141, 286074095527510693610891

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

H. Mishima Squares consisted of 3 different digits

CROSSREFS

Sequence in context: A359731 A105974 A053912 * A053904 A058607 A298835

Adjacent sequences: A053891 A053892 A053893 * A053895 A053896 A053897

KEYWORD

nonn,base,more

AUTHOR

Patrick De Geest, Mar 15 2000

EXTENSIONS

One more term from Mishima's webpage added by Max Alekseyev, Jun 17 2011

STATUS

approved