perplexus.info :: Sequences : More Missing Numbers

More Missing Numbers (Posted on 2003-08-06)

What are the next numbers in this sequence?

1,3,12,60,360,2520,...

Submitted by Jonny Doe

Rating: 2.0000 (10 votes)

Solution: (Hide)

Starting with S₁ = 1, each term is found by:
S_n = (S_n-1)(n+1) So, we get:
S₁ = 1 S₂ = 1 × 3 = 3 S₃ = 3 × 4 = 12 S₄ = 12 × 5 = 60 S₅ = 60 × 6 = 360 S₆ = 360 × 7 = 2520 S₇ = 2520 × 8 = 20160 S₈ = 20160 × 9 = 181440
That gives the next two terms of the sequence as 20160 and 181440.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
No Subject	Hudson Browne	2020-04-04 08:52:08
Solution	K Sengupta	2007-03-05 12:03:08
next 3	CharleyA.	2007-01-22 19:19:05
solution	Nathan	2003-09-05 18:17:00
Solution	Freddy Grants	2003-08-06 12:43:43
No Subject	Murugappan	2003-08-06 11:53:28
Previous numbers	nikki	2003-08-06 04:42:45
No Subject	Jay	2003-08-06 02:32:29
Solution	Lewis	2003-08-06 00:31:51

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