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

t(43182)=6055593183 ... 9826205779

Verified Fermay and Lucas PRP by pfgw.

To be completed...