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A052358
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First prime from A031936 (lesser of 18-twin primes) whose distance to the next 18-twin increases.
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1
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20183, 20963, 14011, 26759, 7433, 45613, 4703, 21911, 26539, 18233, 6581, 4423, 7351, 37379, 55903, 25801, 4373, 6529, 35879, 119993, 22171, 12923, 10691, 52609, 14303, 20201, 16231, 21121, 103049, 17863, 6451, 34439, 50341, 76129, 3803, 23251, 15241, 14369
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OFFSET
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1,1
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COMMENTS
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The smallest distance between 18-twins [A052380(9)] is 18 and its minimal increment is 2.
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LINKS
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FORMULA
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a(n)=p is the first prime initiating [p, p+18, p+2n+16, p+2n+16+18] prime and [18, 2n-2, 18] d-pattern.
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EXAMPLE
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a(3)=14011 initiates [14011,14029,14033,14051] or [18,4,18] p and d-patterns.
a(7)=4703 specifies [4703,4721,4133,4151], [18,28,18] including 2 primes (4723,4729) in the center.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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a(13) corrected and missing terms inserted by Sean A. Irvine, Nov 07 2021
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STATUS
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approved
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