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A119162
Triangular numbers composed of digits {2,4,8}.
2
28, 48828, 828828, 842288428828, 24884484228828, 28284882828828, 2842448222228428828
OFFSET
1,1
COMMENTS
a(8) > 10^40. - Tyler Busby, Mar 29 2023
FORMULA
a(n) = A000217(A119163(n)). - Tyler Busby, Mar 29 2023
CROSSREFS
Cf. A000217, A027678, A119163. See A119033 for a table of cross-references.
Sequence in context: A159439 A270070 A159443 * A180067 A259365 A047680
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved