g(2)=4

g(3)=9

g(4)=19

g(5)=37

g(6)=73

g(7)=143

g(8)=279

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g(9)=548

g(10)=1079

g(11)=2132

g(12)=4223

g(13)=8384

g(14)=16673

g(15)=33203

g(16)=66190

g(17)=132055

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