Question:

Sample:

Answer: 747119399

Sample:

Answer: 392613475

Sample:

Answer: 896591343

Keywords: Tupper’s Self-Referential Formula

1. Find the Y axis range where the picture is found on the graph of the Tupper’s Self-Referential Formula when positive X axis extends to the left of the origin, and positive Y axis extends below the origin.
2. Take the smaller number on the Y axis range.
3. Calculate the number modulo 1000000007 as the answer.