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Q: What is the pattern rule of 2 4 7 11 15?

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first you add 1 by 5 and get 6 then .add 6 by 2 and get 8 .and add 8 by 3 and get 11.add 11 by 4 get 15.add 15 by 5 get 20 its simple just keep adding each number by 1,2,3,4,5 and if the pattern continues keep going

prime numbers

multiplication pattern

The rule is t(n) = 5 + 2*n, where n = 1, 2, 3, ...

The rule for the nth term is t(0) = 23 t(n) = mod[t(n-1) + 2n-1, 26] for n = 1, 2, 3, ...

t(n) = 5 + 2*n

It is: 3 6 12 24 48 .... double up each time

There are many possibilities. One is: Un = (8n3 - 39n2 + 79n - 36)/6 for n = 1, 2, 3, ...

multiply 11, subtract 10

The rule that generates the sequence is Un = 9 + 2n (for n = 1, 2, ...

One rule for this pattern is to add twice the previous value added 4 + 1 = 5 5 + 2×1 = 5 + 2 = 7 7 + 2×2 = 7 + 4 = 11 11 + 2×4 = 11 + 8 = 19 Continuing the next numbers would be: 19 + 2×8 = 19 + 16 = 35 35 + 2×16 = 35 + 32 = 67 ...

If you mean: 2 5 11 23 47 then they are increasing by 3 6 12 24

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