IOM 2019, Блиц — Задача 55

OLYMPIAD OF METROPOLISES, Moscow, September 2, 2019 · 2 септември 2019 г.

Условие

What is the next element in the sequence below? The answer must contain the next element of the sequence presented in octal notation.

$11_2$ $\quad$ $11_8$ $\quad$ $11011_2$ $\quad$ $51_{16}$ $\quad$ $?_8$

Решение

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Оригинал в Архива: blitz-en-all-task-final.pdf