Where t(n) is the n-th Tribonacci number as defined by:
a(0)=1, a(1)=1, a(2)=0, a(n)=a(n-1)+a(n-2)+a(n-3)

t(140197)=2889530726... 6486807093
t(99245)=3442054559... 5298430377


Verified PRP by pfgw.

To be completed...