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Search: id:A090229
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| A090229 |
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Differences between consecutive nonprime Fibonacci numbers (A090206). |
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+0
1
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| 1, 0, 7, 13, 13, 21, 89, 233, 233, 377, 1597, 1597, 2584, 4181, 6765, 28657, 28657, 46368, 75025, 121393, 514229, 514229, 832040, 1346269, 2178309, 3524578, 5702887, 9227465, 14930352
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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F(0) = 0; F(1) = 1; F(n) = F(n-1) + F(n-2); F(0:9) = 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 nonprimes: 0, 1, 1, 8, 21 differences between consecutive nonprimes: 1, 0, 7, 13
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CROSSREFS
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Sequence in context: A114389 A135555 A145009 this_sequence A057930 A013651 A050931
Adjacent sequences: A090226 A090227 A090228 this_sequence A090230 A090231 A090232
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KEYWORD
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easy,nonn
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AUTHOR
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Felix Tubiana (fat2(AT)columbia.edu), Jan 22 2004
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