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A074325
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Difference between (1+2^n)-th and (2^n)-th primes. Also number of terms in blocks of A073798.
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5
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1, 2, 4, 4, 6, 6, 2, 8, 2, 2, 6, 18, 18, 30, 8, 24, 6, 2, 18, 4, 26, 30, 34, 2, 10, 30, 10, 2, 30, 6, 70, 4, 12, 22, 6, 24, 26, 10, 88, 2, 50, 18, 6, 20, 14, 4, 12, 6, 2, 56, 4, 30, 42, 6, 70, 74, 14, 60
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OFFSET
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0,2
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LINKS
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FORMULA
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EXAMPLE
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n=39: 2^39=549755813888, prime[549755813889]=16149760533343, prime[549755813888]=16149760533341, difference=2, just twin primes.
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MATHEMATICA
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Table[Prime[1+2^w]-Prime[2^w], {w, 1, 39}]
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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