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Search: id:A016218
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| A016218 |
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Expansion of 1/((1-x)(1-4x)(1-5x)). |
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4
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| 1, 10, 71, 440, 2541, 14070, 75811, 400900, 2091881, 10808930, 55442751, 282806160, 1436400421, 7271480590, 36715316891, 185008240220, 930767824161, 4676745613050, 23475354034231, 117743274047080
(list; graph; listen)
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OFFSET
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0,2
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MAPLE
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a:=n->sum(5^(n-j)-4^(n-j), j=0..n): seq(a(n), n=1..20); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 04 2007
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CROSSREFS
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Cf. A016208, A000392, A000225, A003462, A003463, A003464, A023000, A023001, A002452, A002275, A016123, A016125, A016256.
Sequence in context: A126505 A038779 A136856 this_sequence A026772 A016098 A129275
Adjacent sequences: A016215 A016216 A016217 this_sequence A016219 A016220 A016221
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KEYWORD
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nonn
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AUTHOR
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njas
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