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Search: id:A061175
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| A061175 |
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One half of sixth column of Lucas bisection triangle (odd part). |
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+0
2
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| 9, 471, 8268, 85962, 662773, 4215123, 23440212, 118073914, 551281476, 2423731704, 10148667670, 40812739230, 158644493079, 599051383561, 2206150654944, 7949311477362, 28098758599203, 97645872621753
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OFFSET
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0,1
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COMMENT
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Numerator of G.f. is one half of row polynomial sum(A061187(5,m)*x^m,m=0..8).
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FORMULA
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a(n)= A060924(n+5, 5)/2.
G.f.: (1+x)*(3-2*x)*(12*x^3-35*x^2+29*x+1)*(4*x^3-9*x^2+15*x+3)/(1-3*x+x^2)^6.
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CROSSREFS
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Cf. A002548, 2*A061171, A061172, 4*A061173, A061174.
Sequence in context: A156086 A160478 A020263 this_sequence A166879 A128947 A157595
Adjacent sequences: A061172 A061173 A061174 this_sequence A061176 A061177 A061178
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Apr 20 2001
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