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

t(102494)=5945619786 ... 6057955817
t(130446)=1956469049 ... 3145453469
t(173589)=1564744740 ... 4076248833

Verified PRP by pfgw.

To be completed...