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A060927 Row sums of triangle A060924 (odd part of bisection of Lucas triangle). 3
3, 13, 65, 337, 1737, 8945, 46073, 237313, 1222345, 6296017, 32429337, 167036065, 860364393, 4431539313, 22825840825, 117570661697, 605579465737, 3119200691985, 16066286106713, 82753748396513 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n) = sum(A060924(n, m), m=0..n).

G.f.: (3-2*x)/(1-5*x-4*x^3).

a(n) = 3*A060928(n)-2*A060928(n-1), n >= 1; a(0)=3.

CROSSREFS

Cf. A060926 (row sums of A060923 companion triangle).

Sequence in context: A065065 A020086 A151987 * A074537 A200475 A106227

Adjacent sequences:  A060924 A060925 A060926 * A060928 A060929 A060930

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.