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A090457 Primes prime(k) having fewer binary 1's than k. 3
17, 257, 277, 293, 307, 401, 449, 577, 641, 643, 653, 673, 677, 709, 1031, 1033, 1039, 1091, 1093, 1129, 1153, 1217, 1297, 1409, 1543, 1553, 1601, 1607, 1609, 1613, 2053, 2063, 2081, 2083, 2087, 2089, 2099, 2113, 2179, 2309, 2341, 2371 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A090455(a(n)) > 0.

LINKS

Table of n, a(n) for n=1..42.

PROG

(PARI) isok(k) = hammingweight(prime(k)) < hammingweight(k);

lista(nn) = for(n=1, nn, if (isok(n), print1(prime(n), ", "))); \\ Michel Marcus, Feb 05 2016

CROSSREFS

Cf. A072439, A090456, A000120, A014499, A007088, A004676, A090433.

Sequence in context: A015675 A029462 A098302 * A174408 A260072 A260407

Adjacent sequences:  A090454 A090455 A090456 * A090458 A090459 A090460

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Dec 01 2003

STATUS

approved

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Last modified August 22 15:37 EDT 2019. Contains 326178 sequences. (Running on oeis4.)