Approximation of the 2-adic integer exp(4) up to 2^n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =5a(4) =13a(5) =13a(6) =13a(7) =77a(8) =77a(9) =333a(10) =333a(11) =333a(12) =333a(13) =333a(14) =333a(15) =16717a(16) =16717a(17) =16717a(18) =147789a(19) =409933a(20) =934221a(21) =934221a(22) =934221a(23) =934221a(24) =9322829a(25) =9322829a(26) =9322829a(27) =9322829a(28) =143540557a(29) =411976013