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A124387 Largest prime < 2*a[n-1] writen in binary, a[1]=2. +0
1
10, 11, 101, 111, 1101, 10111, 10101, 1010011, 10100011, 100111101, 1001110111, 10011101011, 100111000111, 1001110001011, 10011011110101, 100110111100001, 1001101110111101, 10011011101010011, 100110111010011101 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A006902, A040016, A120031-A120041.

Adjacent sequences: A124384 A124385 A124386 this_sequence A124388 A124389 A124390

Sequence in context: A118240 A086084 A004676 this_sequence A004685 A041216 A094026

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Dec 16 2006

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

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