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A119206
Triangular numbers composed of digits {4,5,8}.
2
45, 55, 48555585, 84844484544485445, 44585455858455488585854455, 445544585455555888554444445, 455888444844584444558845455, 5858855485848545848448855845485
OFFSET
1,1
COMMENTS
a(9) > 10^40. - Tyler Busby, Mar 29 2023
FORMULA
a(n) = A000217(A119207(n)). - Jon E. Schoenfield, Mar 27 2023
CROSSREFS
Cf. A000217, A053953, A119207. See A119033 for a table of cross-references.
Sequence in context: A119071 A119158 A119204 * A060463 A206024 A151743
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved