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A027679
When squared gives number composed of digits {2,4,8} with each of these digits appearing at least once.
1
168, 478, 2878, 210912978, 15647628653832, 1511583350076478, 6548620039541478, 669644852476481662, 20597146608802018338, 53710727465081333454522, 2069416058768323727702022, 149140498954591218312271662, 20598117118436403877526792022
OFFSET
1,1
CROSSREFS
Cf. A027678.
Sequence in context: A303082 A247721 A342427 * A137863 A266808 A234738
KEYWORD
nonn,base
EXTENSIONS
One more term from Jon E. Schoenfield, Sep 04 2006
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), May 19 2007
Title improved by Sean A. Irvine, Nov 24 2019
a(12)-a(13) from Zhao Hui Du, Mar 09 2024
STATUS
approved