There is a sequence of 242424242 starting at 242423th characters of decimal representation of PI. (That means there is sequence of 42424242 starting at 242424th characters. )
There is only a shorter one of “2424242” starting at 919899.
(Second 42424242 also occurs quite early at 1,404,114. Statistically a sequence of this length on average occurs every 100 million.)