If a1=7 and an=an−1+1 then find the value of a6.
a6=11+1=12
Step 1 :a1=7
Step 2 :an=an−1+1
Step 3 :a6=a5+1
Step 4 :a5=a4+1
Step 5 :a4=a3+1
Step 6 :a3=a2+1
Step 7 :a2=a1+1
Step 8 :a2=7+1=8
Step 9 :a3=8+1=9
Step 10 :a4=9+1=10
Step 11 :a5=10+1=11
Step 12 :a6=11+1=12