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There are infinitely many pattern rules. It is easy to find a rule based on a polynomial of order 4 such that the first four numbers are as listed in the question followed by any number that you choose to be the next one. There are also non-polynomial solutions. Short of reading the mind of the person who posed the question, there is no way of determining which of the infinitely many solutions is the "correct" one.
The simplest solution, based on a polynomial of order 3 is
t(n) = 1.5*(-n^3 + 12n^2 - 26n + 21) for n = 1, 2, 3, ...
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What is the pattern rule for this pattern 12-16-15-19?
from 12 to 16 is 4 then from 16 to fiftine is one then from15-19 is 4 so one so forth one is +4 the next is -1
What is the pattern rule for 4-6-10-18-30-42-60 pattern?
4*2-2=6 6*2-2=10
What number comes next in this pattern 4 2 8 12 10?
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
What is the pattern rule for 4 -4 4 -4 pattern?
The rule is multiply the previous term by -1 to find the next term.
What is the pattern rule for this pattern 1-2-2-6-3-12-4-20-5?
5-30-6-42-7-56-8-72
What is the rule of the pattern 1 4 16 64?
Multiply each preceding term by 4.
What is the pattern rule for this pattern 12-16-15-19?
from 12 to 16 is 4 then from 16 to fiftine is one then from15-19 is 4 so one so forth one is +4 the next is -1
What is the rule for the pattern 1 2 4 8 16?
Double the previous number
What is the rule of the pattern 1 4 9 16 25?
consecutive square numbers
What is the rule to this pattern100=51 , 6=4. , 30=16?
r=5>7}2
What is the pattern rule for 4-6-10-18-30-42-60 pattern?
4*2-2=6 6*2-2=10
What number comes next in this pattern 4 2 8 12 10?
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
What is the pattern rule for 4 -4 4 -4 pattern?
The rule is multiply the previous term by -1 to find the next term.
What is the pattern rule for this pattern 1-2-2-6-3-12-4-20-5?
5-30-6-42-7-56-8-72
What is a pattern rule -4?
To guess a rule for a pattern, you need several numbers, not just one. Of course, you can invent any rule, for example, "all numbers in the sequence are equal to -4", or some more complicated rule.
What is the pattern rule of 2 4 7 11 15?
The pattern will be +2, +3, +4, +4
What is the rule for 1 4 9 16?
1, 4, 9, 16, ......., (n squared),
