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Tokyo, Japan

Computer science engineer working currently in Japan.

Homemade conjectures: (1) Euler's $\varphi$, (2) Goldbach, (3) Primitive roots mod $p$, (4) Factorials, (5) Multiplicative order. (6) $\sigma_e(m)$. (7) Pisano $\pi(n)$. OEIS: Published: [A256241][A257886]. Commented: [A235353][A054602][A061066][A024206][A117484][A004125][A039669][A049802][A198383][A002093].

Mathematics are just one of my favorite hobbies, so I apologize if sometimes my questions are too random.

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