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A119228
Triangular numbers composed of digits {5,8,9}.
2
55, 595, 5995, 555985, 85989999559555, 5558888585898885, 898989555999995895, 559585958899855598985, 988889885885555858595, 85889898559958558998859955, 5595888555988988898588558558585, 8589985889588895598998885898885995, 88988559899558559855895555589855985
OFFSET
1,1
COMMENTS
a(14) > 10^40. - Tyler Busby, Mar 26 2023
FORMULA
a(n) = A000217(A119229(n)). - Tyler Busby, Mar 26 2023
CROSSREFS
Cf. A000217, A058470, A119229. See A119033 for a table of cross-references.
Sequence in context: A180326 A119085 A119170 * A119226 A219928 A226543
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, May 10 2006
EXTENSIONS
a(12)-a(13) from Tyler Busby, Mar 26 2023
STATUS
approved