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A061174 Fifth column of Lucas bisection triangle (odd part). 2
15, 545, 7043, 57560, 365045, 1970905, 9520315, 42385132, 177293730, 705980760, 2701362950, 10001654350, 36020160943, 126701700755, 436709397085, 1478813477920, 4930328078835, 16212542696607 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Numerator of g.f. is row polynomial sum(A061187(4,m)*x^m,m=0..7).

FORMULA

a(n)=A060924(n+4, 4).

G.f.: (3-2*x)*(16*x^6-56*x^5+181*x^4-306*x^3+171*x^2+110*x+5)/(1-3*x+x^2)^5.

CROSSREFS

Cf. A002548, 2*A061171, A061172, 4*A061173.

Sequence in context: A002403 A077206 A171197 * A115918 A110840 A012178

Adjacent sequences:  A061171 A061172 A061173 * A061175 A061176 A061177

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Apr 20 2001

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Last modified February 14 15:29 EST 2012. Contains 205631 sequences.