Problem 61019. Find the logic and return the nth number (plus)

  • Created by Le
This problem is the harder version of Problem 61015
given a sequence of numbers arranged in the following order:
A=0,1,3,4,9,10,12,13,27,28,30,31,36,37,......
Write a function that takes n as a parameter, we expect the output to be the nth number of this sequence
note: with this plus version you have to find the Nth number with extremely large N. Because the result can be extremely large, we will take the modulus of the nth number by 1e9+7
eg:
n=5
--> output=9
Solve

Solution Stats

100.0% Correct | 0.0% Incorrect
Last Solution submitted on Oct 21, 2025

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indexing numbers sequences

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