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A113842
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a(n) = Prime(tribonacci(n)).
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1
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2, 2, 3, 7, 17, 41, 89, 193, 419, 859, 1759, 3607, 7247, 14551, 28793, 56893, 111863, 218839, 426583, 827851, 1603769, 3097121, 5966629, 11470489, 22004617, 42142883, 80570929, 153802489, 293176621, 558130051, 1061238359, 2015569583
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OFFSET
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2,1
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COMMENTS
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This is to the tribonacci sequence what A030427 is to the Fibonacci sequence.
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LINKS
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FORMULA
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EXAMPLE
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a(2) = prime(tribonacci(2)) = prime(1) = 2.
a(3) = prime(tribonacci(3)) = prime(1) = 2.
a(4) = prime(tribonacci(4)) = prime(2) = 3.
a(5) = prime(tribonacci(5)) = prime(4) = 7.
a(6) = prime(tribonacci(6)) = prime(7) = 17.
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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