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Search: id:A115220
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| A115220 |
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G.f.: (x^4-2*x^5-2*x^6)/(1-4*x+x^4-2*x^5-2*x^6). |
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+0
1
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| 0, 0, 0, 0, 1, 2, 6, 24, 95, 380, 1520, 6072, 24253, 96870, 386910, 1545368, 6172403, 24653392, 98468904, 393297808, 1570883385, 6274315690, 25060445446, 100094728568, 399791564311, 1596820303940, 6377911168464, 25474219467560, 101747396653957, 406392538897646
(list; graph; listen)
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OFFSET
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0,6
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REFERENCES
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F. R. K. Chung and R. L. Graham, Primitive juggling sequences, preprint, 2006.
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LINKS
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Index entries for sequences related to linear recurrences with constant coefficients
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FORMULA
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a[0]=a[1]=a[2]=a[3]=0,a[4]=1,a[5]=2,a[6]=6; for n>6 a[n]=2*a[ -6+n]+2*a[ -5+n]-a[ -4+n]+4*a[ -1+n]. - Zak Seidov (zakseidov(AT)yahoo.com), Mar 06 2006
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MATHEMATICA
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{a[0]=a[1]=a[2]=a[3]=0, a[4]=1, a[5]=2, a[6]=6}; a[n_]:=a[n]=2*a[ -6+n]+2*a[ -5+n]-a[ -4+n]+4*a[ -1+n]; Table[a[n], {n, 0, 29}] - Zak Seidov (zakseidov(AT)yahoo.com), Mar 06 2006
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CROSSREFS
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Sequence in context: A048120 A003759 A003450 this_sequence A072854 A147944 A147935
Adjacent sequences: A115217 A115218 A115219 this_sequence A115221 A115222 A115223
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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), Mar 05 2006
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