2
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In the following sequence, what is the next number and why?

11, 18, 26, 34, 35, 52, 67, 74, 78, 81

Hint:

I think I ate too much pie yesterday.

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6
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The next number is

84

The sequence lists the

Zero-based positions of the digit 8 in the decimal expansion of $\pi$ (like pie).

Credits to

A037006 - OEIS ;-)

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