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A265160
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a(n) = 2^n + prime(n).
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1
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4, 7, 13, 23, 43, 77, 145, 275, 535, 1053, 2079, 4133, 8233, 16427, 32815, 65589, 131131, 262205, 524355, 1048647, 2097225, 4194383, 8388691, 16777305, 33554529, 67108965, 134217831, 268435563, 536871021, 1073741937, 2147483775, 4294967427, 8589934729
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OFFSET
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1,1
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COMMENTS
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a(n) is odd for n>1. The first few primes in this sequence are 7, 13, 23, 43, 4133, 8233, 16427, 8388691, ... . - Wesley Ivan Hurt, Dec 05 2015
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LINKS
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FORMULA
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MAPLE
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MATHEMATICA
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Table[2^n + Prime[n], {n, 40}]
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PROG
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(Magma) [NthPrime(n) + 2^n: n in [1..40]];
(PARI) a(n) = 2^n + prime(n); \\ Altug Alkan, Dec 03 2015
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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