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A201060
Repdigit numbers with repdigit digital product.
2
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 111, 222, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111111, 111111111111111111, 1111111111111111111
OFFSET
1,3
COMMENTS
Conjecture: a(n) is repunit for n >= 16.
CROSSREFS
Cf. A201061 (repdigit numbers with repdigit digital sum).
A201064 (repdigit numbers with repdigit digital sum and product).
Sequence in context: A083115 A266280 A250412 * A201064 A103357 A055931
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Nov 26 2011
EXTENSIONS
Corrected and extended by Jaroslav Krizek.
STATUS
approved