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A119207
Numbers k such that the k-th triangular number contains only digits {4,5,8}.
2
9, 10, 9854, 411933209, 9443035090314, 29851116744790, 30195643554810, 3423114221246070
OFFSET
1,1
COMMENTS
Next term exceeds 1.4*10^16.
CROSSREFS
Cf. A000217, A119206. See A119034 for a table of cross-references.
Sequence in context: A042729 A156292 A119205 * A165254 A058069 A266703
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved