52 63 82 99 ?

-------------------------------------------------------

answers:
bob f say: Omaha !! Hike !!
-
Observer say: You seem to be adding prime pairs (reversed) to the previous element. The next prime pair would be 31/29. This is kind of spooky with no real purpose, but then number theory isn’t supposed to serve any useful purpose.
-
Math Explorer say: this appears to be a sequence

You add 11 first to second term, 19 second to third, 17 third to fourth. There does not appear to be a discernible pattern.
-
say: Since there is no simple pattern, 4 terms is insufficient to uniquely iderntify a complex pattern.
-
poldi2 say: Four 2-digit numbers is not a question.
-
billrussell42 say: do you have a question?

this can be reported and if you continue with non-questions, your account shut down.
-
kskdz say: siqljkau
-
David say: What is your question?
-
Szymon say: What exactly is your question here?
-