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A094633 A Lucas Jacobsthal product. 0
2, 1, 9, 20, 77, 231, 774, 2465, 8037, 25916, 84009, 271635, 879382, 2845181, 9208089, 29796580, 96426037, 312037551, 1009780614, 3267709225, 10574544477, 34219920076, 110738027409, 358355719995, 1159663574102, 3752749988581 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..25.

Index entries for linear recurrences with constant coefficients, signature (1,7,2,-4).

FORMULA

G.f. : (2-x-6x^2)/((1-2x-4x^2)(1+x-x^2)); a(n)=L(n)*Jac(n+1)=A000032(n)*A001045(n+1).

CROSSREFS

Cf. A094632, A093042.

Sequence in context: A083162 A178075 A221756 * A261060 A144244 A079582

Adjacent sequences:  A094630 A094631 A094632 * A094634 A094635 A094636

KEYWORD

easy,nonn

AUTHOR

Paul Barry, May 16 2004

STATUS

approved

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Last modified January 24 10:33 EST 2020. Contains 331193 sequences. (Running on oeis4.)