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A077718 Primes which can be expressed as sum of distinct powers of 4. 11
5, 17, 257, 277, 337, 1093, 1109, 1297, 1301, 1361, 4177, 4357, 4373, 4421, 5189, 5381, 5393, 5441, 16453, 16657, 16661, 17477, 17489, 17669, 17681, 17729, 17749, 20549, 20753, 21521, 21569, 21589, 21841, 65537, 65557, 65617, 65809, 66629 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Primes whose base 4 representation contains only zeros and 1's.

CROSSREFS

Cf. A020449, A000695, A077717, A077719, A077720, A077721, A077722.

Sequence in context: A195570 A191500 A089894 * A093428 A081479 A096996

Adjacent sequences:  A077715 A077716 A077717 * A077719 A077720 A077721

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 19 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 03 2003

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Last modified February 17 04:46 EST 2012. Contains 205985 sequences.