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A049080
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Primes for which A049076(p) = 4.
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18
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11, 277, 1063, 2221, 3001, 4397, 7193, 9319, 10631, 12763, 15823, 21179, 22093, 24859, 30133, 33967, 37217, 38833, 40819, 43651, 55351, 57943, 60647, 66851, 68639, 77431, 80071, 84347, 90023, 98519, 101701, 103069, 125113, 127643
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| N. Fernandez, An order of primeness, F(p)
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MATHEMATICA
| Nest[ Prime, Select[ Range[50], !PrimeQ[ # ] &], 4] (from Robert G. Wilson v Mar 15 2004)
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CROSSREFS
| Cf. A049076, A007821, A049078, A049079, A049081, A058322, A058324, A058325, A058326, A058327, A058328, A093046, A006450.
Sequence in context: A160195 A203240 A062210 * A129754 A103547 A171195
Adjacent sequences: A049077 A049078 A049079 * A049081 A049082 A049083
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KEYWORD
| nonn
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AUTHOR
| N. Fernandez (primeness(AT)borve.org)
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