Approximation of the 3-adic integer exp(-3) up to 3^n.

Terms

a(0) =0a(1) =1a(2) =7a(3) =25a(4) =52a(5) =52a(6) =538a(7) =1267a(8) =1267a(9) =1267a(10) =20950a(11) =20950a(12) =198097a(13) =1260979a(14) =1260979a(15) =6043948a(16) =6043948a(17) =92137390a(18) =92137390a(19) =866978368a(20) =2029239835a(21) =5516024236a(22) =26436730642a(23) =57817790251a(24) =246104147905a(25) =810963220867