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

t(85040)=6147151273 ... 9525852931
t(102023)=2138811909 ... 3098006983
t(185595)=4106420880 ... 0532514559

Verified PRP by pfgw.

To be completed...