One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-2). These are the numbers congruent to 2 mod 3 (except for the initial 0).

A271222

One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-2). These are the numbers congruent to 2 mod 3 (except for the initial 0).

Terms

    a(0) =0a(1) =2a(2) =5a(3) =5a(4) =59a(5) =221a(6) =221a(7) =1679a(8) =3866a(9) =16988a(10) =56354a(11) =174452a(12) =174452a(13) =705893a(14) =705893a(15) =10271831a(16) =24620738a(17) =110714180a(18) =239854343a(19) =627274832a(20) =2951797766a(21) =2951797766a(22) =2951797766a(23) =65713916984a(24) =159857095811a(25) =442286632292

External references