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Search: id:A155954
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| A155954 |
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a(0)=2, a(1)=3, a(2)=5, a(n)=smallest prime greater or equal to a(n-1)+a(n-2)+a(n-3) |
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| 2, 3, 5, 11, 19, 37, 67, 127, 233, 431, 797, 1471, 2699, 4967, 9137, 16811, 30931, 56891, 104639, 192461, 354001, 651103, 1197571, 2202677, 4051361, 7451617, 13705667, 25208653, 46365959, 85280323, 156854959, 288501287, 530636569
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OFFSET
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0,1
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EXAMPLE
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a(2)+a(3)+a(4)=35, so a(5)=smallest prime larger than 35=37
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MAPLE
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a[0] := 2: a[1] := 3: a[2] := 5: for n from 3 to 35 do a[n] := nextprime(a[n-1]+a[n-2]+a[n-3]-1) end do: seq(a[n], n = 0 .. 35); [From Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 27 2009]
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CROSSREFS
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Sequence in context: A084697 A037082 A084573 this_sequence A087581 A049888 A117221
Adjacent sequences: A155951 A155952 A155953 this_sequence A155955 A155956 A155957
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KEYWORD
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nonn
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AUTHOR
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Avik Roy (avik_3.1416(AT)yahoo.co.in), Jan 31 2009
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 27 2009
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