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Search: id:A110954
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| A110954 |
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a(1) = 1; a(n) = nextprime(2.5*a(n-1)) for n > 1. |
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+0
1
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| 1, 3, 11, 29, 73, 191, 479, 1201, 3011, 7529, 18839, 47111, 117779, 294461, 736159, 1840429, 4601099, 11502779, 28756957, 71892397, 179730997, 449327503, 1123318769, 2808296923, 7020742321, 17551855831, 43879639613, 109699099033
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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a(6) = nextprime(2.5*a(5)) = nextprime(2.5*73) = nextprime(182.5) = 191.
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MATHEMATICA
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<<NumberTheory`; p = 1; Print[p]; Do[p = NextPrime[p*2.5]; Print[p], {n, 2, 30}]
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CROSSREFS
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Sequence in context: A069350 A053845 A072610 this_sequence A000251 A159229 A122023
Adjacent sequences: A110951 A110952 A110953 this_sequence A110955 A110956 A110957
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KEYWORD
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nonn
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AUTHOR
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Ryan Propper (rpropper(AT)stanford.edu), Sep 25 2005
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