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3 votes
3 votes
Figure out the pattern, and write the next number.
2,6,21,88

User Jesse Rusak
by
3.2k points

1 Answer

18 votes
18 votes
Answer:
a5=445

Step-by-step explanation:
a of n=(a+1)*n
a1=2
I found the pattern to add 1 to the previous number and then multiply it by its number in the sequence. Apologies for the terrible format of my recursive formula.
Proof of pattern:
(2+1)*2=6
(6+1)*3=21
(21+1)*4=88
a5=(88+1)*5=445