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Search: id:A057674
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| -3, 2, 5, 13, 29, 61, 109, 251, 509, 1021, 2029, 4093, 8179, 16381, 32749, 65519, 131059, 262139, 524269, 1048573, 2097133, 4194301, 8388571, 16777213, 33554371, 67108859, 134217649, 268435367, 536870909, 1073741783, 2147483629, 4294967291, 8589934513, 17179869143
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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n=1, 2^1=2. If 2,3,5 are subtracted from 2, then 0,-1 and -3 arise, of which -3 is a prime so a(1)=-3. n=11, 2048-p=q. At first p=29 gives the prime q=2029.
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CROSSREFS
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Cf. A056206, A056208, A056662, A057674.
Adjacent sequences: A057671 A057672 A057673 this_sequence A057675 A057676 A057677
Sequence in context: A130597 A075146 A062941 this_sequence A092935 A137455 A111273
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KEYWORD
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sign
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Oct 19 2000
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