Sequence - 5 members

Write first five members of the sequence

Correct answer:

a1 =  6
a2 =  7
a3 =  12
a4 =  13
a5 =  18

Step-by-step explanation:

a1=3 1(1)1+2=6
a2=3 2(1)2+2=7
a3=3 3(1)3+2=12
a4=3 4(1)4+2=13
a5=3 5(1)5+2=18

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