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A033875 Skipping from prime to prime by least powers of 2. +0
6
2, 3, 5, 7, 11, 13, 17, 19, 23, 31, 47, 79, 83, 211, 227, 229, 233, 241, 257, 769, 773 (list; graph; listen)
OFFSET

1,1

LINKS

Lei Zhou, Certificate for next term

FORMULA

a(1) = 2, a(n+1) = a(n) + 2^k; a(n+1) prime, k minimal.

EXAMPLE

2+2^0=3

3+2^1=5

CROSSREFS

Sequence in context: A006514 A086983 A046501 this_sequence A105581 A050264 A075239

Adjacent sequences: A033872 A033873 A033874 this_sequence A033876 A033877 A033878

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

EXTENSIONS

The next term is 773+2^955 which is too large to include.

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.


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