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A017830
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Expansion of 1/(1-x^4-x^5-x^6-x^7-x^8).
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0
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1, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 4, 6, 7, 9, 12, 17, 22, 29, 38, 51, 67, 89, 118, 157, 207, 274, 363, 482, 638, 845, 1119, 1483, 1964, 2602, 3447, 4567, 6049, 8013, 10615, 14063, 18629, 24678, 32691, 43307, 57369
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,9
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FORMULA
| a(0)=1, a(1)=0, a(2)=0, a(3)=0, a(4)=1, a(5)=1, a(6)=1, a(7)=1,
a(n)=a(n-4)+a(n-5)+a(n-6)+a(n-7)+a(n-8) [From Harvey P. Dale, Aug 05
2011]
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MATHEMATICA
| CoefficientList[Series[1/(1-Total[x^Range[4, 8]]), {x, 0, 50}], x] (* or *) LinearRecurrence[{0, 0, 0, 1, 1, 1, 1, 1}, {1, 0, 0, 0, 1, 1, 1, 1}, 50] (* From Harvey P. Dale, Aug 05 2011 *)
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CROSSREFS
| Sequence in context: A093950 A023894 A059777 * A026928 A102464 A082538
Adjacent sequences: A017827 A017828 A017829 * A017831 A017832 A017833
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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