Sequence

Write the first 6 members of these sequence:

a1 = 5
a2 = 7
an+2 = an+1 +2 an

Result

a1 =  5
a2 =  7
a3 =  17
a4 =  31
a5 =  65
a6 =  127

Solution:

Solution in text a__1 =
Solution in text a__2 =
Solution in text a__3 =
Solution in text a__4 =
Solution in text a__5 =
Solution in text a__6 =







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