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A063728
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a(n) = shift(a(n-1); a(n-3)), a(0)=2, a(1)=3.
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0
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OFFSET
| 0,1
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EXAMPLE
| n=4: 192 because 24 [a(n-1)] in binary is [1, 1, 0, 0, 0] and shifted 3 [a(n-3)] places to the left becomes [1, 1, 0, 0, 0, 0, 0, 0]=192.
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PROG
| (PARI) a(n) = if(n<2, n+2, shift(a(n-1), a(n-3))); for(n=0, 7, print(a(n)))
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CROSSREFS
| Sequence in context: A160683 A099000 A032540 * A000341 A144857 A090445
Adjacent sequences: A063725 A063726 A063727 * A063729 A063730 A063731
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KEYWORD
| easy,nonn
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AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Aug 12 2001
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