View Full Version : Mathematical sequence
mobrey_3
Aug 12, 2008, 05:56 AM
Anyone... please help answer this
What's the next number in this sequence
1, 2, 8, 176, 260480, ___
donf
Aug 12, 2008, 07:53 AM
I think the next number would be 8,340,992. Do not take this answer as Gospel!
ebaines
Aug 12, 2008, 12:42 PM
I think the next number would be 8,340,992. Do not take this answer as Gospel!
Donf - how did you arrive at this? I'm stumped...
Unknown008
Aug 13, 2008, 04:14 AM
Seem to me an exponential sequence... so your answer donf is possible... though I don't know what the power factor is. But there must be something before the powering up, as one to the power of anything is always one. Ok, trying to look for it...
Unknown008
Aug 13, 2008, 04:20 AM
Oh, no! Excel cannot do it. I can't find an equation to fit in... I'm stumped too.
ebaines
Aug 13, 2008, 05:47 AM
I think I've solved it. The next number in the sequence is a huge one:
11,949,684,623,360
The sequence goes like this: given A and B are two consecutive members in the sequence, the next number is AB(A+B+1).
donf
Aug 13, 2008, 09:20 AM
The power factors are multiples of 4.
1+2 (x4) 8 (8+3=[11x16=] 176) 176+260480 X 256 = 66,727,936
ebaines
Aug 13, 2008, 09:30 AM
The power factors are multiples of 4.
1+2 (x4) 8 (8+3=[11x16=] 176) 176+260480 X 256 = 66,727,936
Donf - I don't see where the 3 came from for (8+3)x16 =176? Also, how does your solution generate 260480?
donf
Aug 13, 2008, 09:44 AM
The number line is 1 2 8 176 260480 (?)
1+2+8 = 11
ebaines
Aug 13, 2008, 10:06 AM
So how does your solution generate 260480? It seems your method would give a different value, namely (1+2+8+176)*64 = 11968
Unknown008
Aug 14, 2008, 03:48 AM
And if it's the square of four, I have (1+3+8+176)((4^2)^2) I have 47872!
mathwiz3502
Oct 4, 2009, 12:07 AM
to find the expodenial value of a sequence you
find out how many times it takes until the
differences equal each other
for ex.
1 8 27 64 125
7 19 37 61
12 18 24
6 6 3 deductions=3rd exponet
so,
1 2 8 176 360480
1 7 168 360304
6 161 360136
155 359975
for the most part, it has no exponets
that should help.