A342481 - OEIS

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A342481

Prime numbers whose binary expansion involves powers of 2 with only composite (or zero) exponents.

17, 257, 337, 577, 593, 769, 1297, 1361, 1553, 1601, 1873, 4177, 4673, 5393, 5441, 5953, 16657, 17489, 17681, 17729, 17921, 18257, 20753, 21313, 21521, 21569, 21841, 22273, 32833, 33601, 33617, 33809, 33857, 34129, 34369, 36929, 37201, 37441, 37633, 37649, 37889, 38737

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

EXAMPLE

17 = 2^4 + 2^0 is a term.

337 = 2^8 + 2^6 + +2^4 + 2^0 is a term.

CROSSREFS

Cf. A342475.

Sequence in context: A029462 A098302 A090457 * A355876 A337846 A174408

Adjacent sequences: A342478 A342479 A342480 * A342482 A342483 A342484

KEYWORD

nonn,base

AUTHOR

Vassilis Papadimitriou, Mar 13 2021

STATUS

approved