Where t(n) is the n-th Octonacci number as defined by:
a(0...6)=0, a(7)=1, a(n)=a(n-1)+a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+a(n-7)+a(n-8)

t(108935)=2142978671 ... 3520499569
t(199528)=2449822709 ... 1134695423

Verified Fermat and Lucas PRP by pfgw.

To be completed...