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Search: id:A106706
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| A106706 |
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a(0) = 19; for n>0, successively subtract 5, subtract 3 and double. |
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+0
1
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| 19, 14, 11, 22, 17, 14, 28, 23, 20, 40, 35, 32, 64, 59, 56, 112, 107, 104, 208, 203, 200, 400, 395, 392, 784, 779, 776, 1552, 1547, 1544, 3088, 3083, 3080, 6160, 6155, 6152, 12304, 12299, 12296, 24592, 24587, 24584, 49168, 49163, 49160, 98320, 98315, 98312, 196624
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Suggested by a test found on the Internet.
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LINKS
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Jeffrey N. Shaumeyer, Bearcastle Blog, One Post, Two ...
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MAPLE
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f:=proc(n) option remember; if n=0 then RETURN(19); fi; if n mod 3 = 1 then RETURN(f(n-1)-5); elif n mod 3 = 2 then RETURN(f(n-1)-3); else RETURN(2*f(n-1)); fi; end;
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CROSSREFS
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Sequence in context: A088934 A155848 A088399 this_sequence A099939 A135734 A109410
Adjacent sequences: A106703 A106704 A106705 this_sequence A106707 A106708 A106709
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), based on correspondence with Jeffrey N. Shaumeyer, Apr 23 2006
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