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A053974
Numbers k such that k^2 contains only digits {6,8,9}.
1
3, 83, 264, 836, 3114, 8167, 98336, 818333, 828667, 994836, 9309617, 984833336, 82885443167, 948097937383, 984879122886, 2588184048685235767383, 99483516217346127185182923658937
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..17.
Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Hisanori Mishima, Sporadic tridigital solutions
CROSSREFS
Cf. A053975.
Sequence in context: A139897 A085318 A101717 * A239637 A201963 A261434
Adjacent sequences: A053971 A053972 A053973 * A053975 A053976 A053977
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from Gareth McCaughan, Jun 11 2004
a(16) from Mishima's website, added by Max Alekseyev, Nov 30 2017
a(17) from Zhao Hui Du, Apr 07 2024
STATUS
approved

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Last modified November 27 23:20 EST 2024. Contains 378181 sequences.
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