

A127962


Binary expansion of A000979(n).


8




OFFSET

1,1


LINKS

Table of n, a(n) for n=1..9.


PROG

(Python)
from gmpy2 import divexact
from sympy import prime, isprime
A127962 = [int(bin(p)[2:]) for p in (divexact(2**prime(n)+1, 3) for n in range(2, 10**2)) if isprime(p)] # Chai Wah Wu, Sep 04 2014


CROSSREFS

Cf. A127961, A000979, A000978, A124400, A126614, A127955, A127956, A127957, A127958, A127936.
Sequence in context: A289573 A289886 A127961 * A267606 A303786 A015511
Adjacent sequences: A127959 A127960 A127961 * A127963 A127964 A127965


KEYWORD

nonn


AUTHOR

Artur Jasinski, Feb 09 2007


EXTENSIONS

Edited by N. J. A. Sloane, Jun 11 2007


STATUS

approved



