a(n) is the least base-2 overpseudoprime k such that the multiplicative order of 2 mod k equals 8*n+20.

A141629

a(n) is the least base-2 overpseudoprime k such that the multiplicative order of 2 mod k equals 8*n+20.

Terms

    a(0) =3277a(1) =4033a(2) =838861a(3) =8321a(4) =80581a(5) =130561a(6) =104653a(7) =20647621a(8) =280601a(9) =818201a(10) =68719214593a(12) =48448661a(15) =88357a(16) =390937a(17) =1846171781a(18) =17585969a(19) =9774181a(22) =1251949

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