Approximation of the 5-adic integer exp(-5) up to 5^n.

Terms

a(0) =0a(1) =1a(2) =21a(3) =71a(4) =196a(5) =2071a(6) =2071a(7) =33321a(8) =345821a(9) =736446a(10) =8548946a(11) =18314571a(12) =18314571a(13) =994877071a(14) =994877071a(15) =25408939571a(16) =86444095821a(17) =239031986446