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1, 1, 2, 3, 7, 4, 13, 6, 15, 11, 22, 12, 25, 18, 28, 20, 34, 22, 42, 27, 44, 34, 48, 35, 55, 38, 59, 44, 62, 47, 69, 49, 72, 55, 81, 57, 87, 65, 90, 70, 98, 72, 103, 79, 105, 83, 113, 84, 117, 91, 122, 94, 129, 98, 133, 104, 137, 107, 145, 110, 148, 117, 152
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OFFSET
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0,3
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COMMENTS
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A "convoluted recurrence".
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LINKS
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Table of n, a(n) for n=0..62.
J.-P. Allouche and J. Shallit, The ring of k-regular sequences, Theoretical Computer Sci., 98 (1992), 163-197.
J.-P. Allouche and J. Shallit, The ring of k-regular sequences, II, Theoret. Computer Sci., 307 (2003), 3-29.
Math Stackexchange, convoluted recurrence: f(2n)=f(n)+f(n+1)+n,f(2n+1)=f(n)+f(n-1)+1, November 30 2014.
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CROSSREFS
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Sequence in context: A168085 A287950 A287628 * A320948 A086885 A324598
Adjacent sequences: A319860 A319861 A319862 * A319864 A319865 A319866
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KEYWORD
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nonn
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AUTHOR
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Jeffrey Shallit, Sep 29 2018
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STATUS
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approved
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