------- pls (pls, Please... PLEASE ! ) wait a few days before posting answers or hints.
1, 3, 4, 9, 10,
12, 13, 27, 28, 30,
31, 36, 37, 39, 40,
81, 82, 84, 85, 90,
91, 93, 94, 108, 109,
111, 112, 117, 118, 120, 121, ____
What is the ___Next Number___ in this sequence ?
What is the 10th Number in this sequence ?
What is the 20th Number in this sequence ?
What is the 30th Number in this sequence ?
What is the 40th Number in this sequence ?
What is the 50th Number in this sequence ?
What is the 100th Number in this sequence ?
# TIF (Today I found)
https://groups.google.com/g/alt.math.recreational