login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A124387 Largest prime < 2*a[n-1] writen in binary, a[1]=2. 0
10, 11, 101, 111, 1101, 10111, 10101, 1010011, 10100011, 100111101, 1001110111, 10011101011, 100111000111, 1001110001011, 10011011110101, 100110111100001, 1001101110111101, 10011011101010011, 100110111010011101 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A006902, A040016, A120031-A120041.

Sequence in context: A086084 A206073 A004676 * A171796 A004685 A171000

Adjacent sequences:  A124384 A124385 A124386 * A124388 A124389 A124390

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 06:27 EST 2012. Contains 205998 sequences.