1475898883domain: NAppears in sequencesOne of the two successive approximations up to 3^n for the 3-adic integer sqrt(-1/2).at n=20A309476One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-1/2).at n=21A309476One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-1/2).at n=22A309476