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A077830
Expansion of 1/(1-3*x-2*x^2-3*x^3).
1
1, 3, 11, 42, 157, 588, 2204, 8259, 30949, 115977, 434606, 1628619, 6103000, 22870056, 85702025, 321155187, 1203479779, 4509855786, 16899992477, 63330128340, 237319937332, 889320046107, 3332590398005, 12488371098225, 46798254229006, 175369276077483
OFFSET
0,2
MATHEMATICA
CoefficientList[Series[1/(1-3x-2x^2-3x^3), {x, 0, 40}], x] (* or *) LinearRecurrence[{3, 2, 3}, {1, 3, 11}, 40] (* Harvey P. Dale, Nov 05 2021 *)
CROSSREFS
Sequence in context: A225431 A359248 A099489 * A106460 A319512 A279704
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved