One of the two successive approximations up to 2^n for 2-adic integer sqrt(-3/5). This is the 1 (mod 4) case.

A341600

One of the two successive approximations up to 2^n for 2-adic integer sqrt(-3/5). This is the 1 (mod 4) case.

Terms

    a(0) =1a(1) =5a(2) =5a(3) =5a(4) =5a(5) =69a(6) =197a(7) =453a(8) =453a(9) =1477a(10) =3525a(11) =3525a(12) =3525a(13) =3525a(14) =3525a(15) =3525a(16) =134597a(17) =396741a(18) =396741a(19) =1445317a(20) =1445317a(21) =1445317a(22) =9833925a(23) =26611141a(24) =60165573a(25) =127274437a(26) =261492165a(27) =529927621a(28) =1066798533a(29) =2140540357

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