1)1,2,3,4,5,12,7,48,( ),( )2)3,4,7,9,15,16,31,25,( ),( )

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1) (9),(240)奇数项为1,3,5,7,9偶数项为2*1!=2,2*2!=4,2*3!=12,2*4!=48,2*5!=2402)(63),(36)奇数项为2^2-1=3,2^3-1=7,2^4-1=15,2^5-1=31,2^6-1=63偶数项为2^2=4,3^2=9,4^2=16,5^2=25,6^2=36