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A175824
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Maximum unsigned integer that can be stored in n bytes.
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2
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0, 255, 65535, 16777215, 4294967295, 1099511627775, 281474976710655, 72057594037927935, 18446744073709551615, 4722366482869645213695, 1208925819614629174706175, 309485009821345068724781055
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OFFSET
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0,2
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COMMENTS
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All a(n) for n > 0 are Mersenne numbers. None are Mersenne primes.
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LINKS
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FORMULA
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a(n) = 2^(8*n) - 1.
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EXAMPLE
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a(0) = 2^0 - 1 = 1 - 1 = 0
a(1) = 2^8 - 1 = 256 - 1 = 255
a(2) = 2^16 - 1 = 65536 - 1 = 65535
a(3) = 2^24 - 1 = 16777216 - 1 = 16777215
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MATHEMATICA
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Table[2^(8n) - 1, {n, 0, 11}]
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PROG
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(Python)
print([2**(8 * i) - 1 for i in range(12)])
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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