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A158940
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First primes followed by sequences of exactly n monotonic decreasing prime gaps.
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2
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2, 7, 31, 1637, 1831, 74653, 322171, 5051309, 11938793, 245333213, 245333159, 130272314561, 1273135176799, 23840790158827
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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a(4)=1637 is the first prime to be followed by n=4 monotonic decreasing prime gaps: 20,6,4,2.
a(13)=1273135176799 is the first prime to be followed by n=13 monotonic decreasing prime gaps: 72,60,46,44,42,36,34,24,12,8,6,4,2.
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CROSSREFS
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Cf. A158939 (monotonic increasing prime gaps)
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KEYWORD
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more,nonn
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AUTHOR
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Alan Worley (aw(AT)xiboo.co.uk), Mar 31 2009
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EXTENSIONS
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STATUS
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approved
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