A261512 Largest n-digit lucky number.

9, 99, 997, 9999, 99987, 999987, 9999997, 99999979, 999999991, 9999999997, 99999999973, 999999999937, 9999999999999, 99999999999943, 999999999999993

Offset

1,1

Links

Table of n, a(n) for n=1..15.

Prog

(Perl) use ntheory ":all"; for (1..12) { $n=10**$_-1; $n-- while !is_lucky($n); say "$_ $n"; } # Dana Jacobsen, Mar 07 2023

Crossrefs

Cf. A000959, A003618.

Sequence in context: A101564 A242811 A070843 * A242809 A108908 A116260

Adjacent sequences: A261509 A261510 A261511 * A261513 A261514 A261515

Keyword

nonn,base,more

Author

Robert G. Wilson v, Aug 22 2015

Extensions

a(11)-a(15) from Hiroaki Yamanouchi, Aug 24 2015

Status

approved