А₁=1+2/1+1=3/2=1,5
а₂=2+2/2+1=4/3
а₃=3+2/3+1=5/4=1,25
а₄=4+2/4+1=6/5=1,2
а₅=5+2/5+1=7/6
в₁=1²-1=0
в₂=2²-2=4-2=2
в₃=3²-3=9-3=6
в₄=4²-4=16-4=12
в₅=5²-5=25-5=20
в₆=6²-6=36-6=30
в₇=7²-7=49-7=42
а₁=1²=1
а₂=2²=4
а₃=3²=9
а₄=4²=16
а₅=5²=25
а₁=1-2/3=-1/3
а₂=2-2/3=0
а₃=3-2/3=1/3