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A161675 Mersenne primes written in base 8. 0
3, 7, 37, 177, 17777, 377777, 1777777, 17777777777, 177777777777777777777, 377777777777777777777777777777, 377777777777777777777777777777777777, 1777777777777777777777777777777777777777777 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..12.
FORMULA
a(n) = A007094(A000668(n)).
CROSSREFS
Cf. A117293.
Sequence in context: A057625 A308392 A087208 * A208809 A086031 A174734
Adjacent sequences: A161672 A161673 A161674 * A161676 A161677 A161678
KEYWORD
nonn,base
AUTHOR
Vladislav-Stepan Malakhovsky & Juri-Stepan Gerasimov, Jun 16 2009
EXTENSIONS
a(6) and a(10) corrected by R. J. Mathar, Aug 03 2009
STATUS
approved

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Last modified August 2 15:19 EDT 2024. Contains 374848 sequences. (Running on oeis4.)