perplexus.info :: Sequences : Cool sequence 1

Cool sequence 1 (Posted on 2003-04-24)

Here is a cool sequence.

1,2,12,288,34560,________...

What goes in the blank?

See The Solution Submitted by Tim Axoy

Rating: 3.5000 (8 votes)

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Answer

Comment 9 of 9 |

1!=1

1!*2!=1*2=2

1!*2!*3!=1*2*6=12

1!*2!*3!*4!=1*2*6*24=288

1!*2!*3!*4!*5!=1*2*6*24*120=34560

Therefore, the next number is 1!*2!*3!*4!*5!*6!=1*2*6*24*120*720=24883200.

Posted by Math Man on 2019-10-11 07:32:51

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