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A095078 Primes with a single 0 bit in their binary expansion. 4
2, 5, 11, 13, 23, 29, 47, 59, 61, 191, 223, 239, 251, 383, 479, 503, 509, 991, 1019, 1021, 2039, 3583, 3967, 4079, 4091, 4093, 6143, 15359, 16127, 16319, 16381, 63487, 65407, 65519, 129023, 131063, 245759, 253951, 261631, 261887, 262079 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Except for the first value 2, the sequence gives the primes of the form 2^k -2^j -1 with 0 < j < k-1. If j=k-1 we obtain the Mersenne primes. - Pierre CAMI, May 19 2005

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

A. Karttunen and J. Moyer, C-program for computing the initial terms of this sequence

PROG

(PARI)forprime(p=2, 262079, v=binary(p); s=0; for(k=1, #v, s+=v[k]); if(#v-s==1, print1(p, ", "))) \\ Washington Bomfim, Jan 13 2011

CROSSREFS

Intersection of A000040 and A030130. Cf. A095058.

Sequence in context: A276660 A086081 A113305 * A062572 A215214 A221868

Adjacent sequences:  A095075 A095076 A095077 * A095079 A095080 A095081

KEYWORD

nonn,base,easy

AUTHOR

Antti Karttunen, Jun 01 2004

STATUS

approved

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Last modified September 26 01:25 EDT 2017. Contains 292500 sequences.